麻豆久久一区-亚洲成色999久久网站-欧美理伦片在线播放-免费喷奶水视频www网-粉嫩白丝jk被啪国产在线-国产精品综合网-精品精品99-亚洲第一av在线-国产美女主播视频一区-黄色生活片影院-免费在线观看黄色-可以在线看的av-妺妺窝人体色www看人体-97精品-日韩综合-色多多性虎精品无码av-www.日本在线-国产乱子伦视频大全亚琴影院-影音先锋黄色网址-日韩精品系列

聯系我們
  • 郵編:238371
  • 電話:18098662861
  • 地址:無為縣高溝定興工業區
  • 12

    2021-11

    電纜保護管的種類

    伴隨著電力工程工作的持續發展趨勢,電纜線在縣市級電力網的搭建和更新改造中取得了普遍的營銷推廣。一般有三種鋪設低壓電纜配電線路的方式:一種是直埋鋪設,另一種是電纜線時空穿梭鋪設,第三種是穿管鋪設。直埋鋪…

  • 12

    2021-11

    電源線的結構

    電源插頭是傳送電流量的電纜線。一般電流量傳送的方法是點對點通信。電源插頭依照主要用途能夠分成AC溝通交流電源插頭及DC直流穩壓電源線,一般AC電源插頭是根據工作電壓較高的交流電流的線纜,這類線纜因為電…

  • 30

    2021-10

    電線電纜使用時的保護措施

    伴隨著電線電纜埋地鋪設項目的快速發展趨勢,對電纜線維護明確提出的高些規定,電纜線維護防水套管是選用高壓聚乙烯PE和上等無縫鋼管進行噴砂處理拋丸除銹前解決.熱浸鋅或噴涂.升溫干固制作工藝而成。它是維護電…

  • 30

    2021-10

    電線電纜使用時的安 全要求

    安 全性規定1.電纜彼此交叉式時,高壓電纜線應在電纜線下邊。假如在其中一條電纜線在交接點前后左右1m范疇內穿管維護或用擋板分隔時,最少容許間距為0.25m。電纜電線應用時的安 全性保障措施2.電纜線與…

  • 26

    2021-10

    淺談高壓電纜進行直流耐壓試驗的問題

    伴隨著我國"西電東送","南電北送"等項目的推動,髙壓直流電電纜線將成被運用的中堅力量。新能源技術產業化連接及大城市輸配電的電纜線化基本建設,都須要運用髙壓直流…

  • 26

    2021-10

    中國電線電纜行業轉型備受關注

    據安徽電纜小編掌握,一年一次的中國電纜電線領域交流會前一天在上海舉辦,具備知名度的交流會造成了電纜電線領域中社會各界的關心。參與此次電纜電線領域交流會的來源于國內各種電纜電線公司的領導干部,我國有關關…

  • 23

    2021-10

    高壓電纜防老化注意方法

    電線電纜為何產生常見故障?造成電力工程電纜故障測試的緣故有:機械設備損害.絕緣層返潮及其絕緣層脆化霉變等,在其中機械設備傷害造成的問題在電纜線安   全事故中有較大的占比。電線電纜…

  • 23

    2021-10

    電纜銷售人員必須了解的知識

    一.電纜線定義[electriccable;powercable]一般是由兩根或幾個輸電線[每一組最少二根]絞合而成的相似繩子的電纜線,每一組輸電線中間互相絕緣層,并常緊緊圍繞一根中心扭成, …

  • 21

    2021-10

    電線電纜使用橡膠防老劑的注意事項

    電纜電線是大家日常日常生活狠普遍的耐用消費品,由于安 全性的必須 ,在銅的外表都是有一層電纜護套,一般是硫化橡膠的,可是硫化橡膠也會脆化,大家該怎樣做,避免 硫化橡膠過快的衰老呢?避免 橡膠制品脆化避…

  • 21

    2021-10

    電線電纜產品的外觀基本要求

    1.圓鋁桿規定查驗有光澤水平,是不是有折邊.錯圓.裂痕.參雜物.紐結等問題和明顯的機械設備損害斑疤.浮銹.脫皮.毛邊.浸蝕色斑等。2.圓銅心線查驗表面層能否光滑,有沒有三角口.毛邊.裂痕.伸縮及摻雜物…

  • 19

    2021-10

    電線電纜上的3+2跟4+1的區別

    電纜電線中有人下單芯和多芯之分,會出現不了解的客戶有疑問,3+2芯和4+1芯,看見全是5芯,那這二者究竟 是否有差異呢?下邊長鹿特種電纜的小編來詳細介紹下電纜電線3+2和4+1芯的寓意及差別。一,電線…

  • 19

    2021-10

    線纜行業知識

    電纜線與電纜的區別實際上沒有嚴謹的界線。一般將芯數小,商品直徑小,構造簡易的設備稱之為電纜線,沒有絕緣層的稱之為裸電纜線,別的的稱之為電纜線;電導體橫截面很大的(超過6平方電線)稱之為大電纜線,較小的…

  • 16

    2021-10

    銅包鋁電線和純銅電線的區別

    1.物理性能全銅電導體抗壓強度.延伸率比銅包鋁電導體大,換句話說全銅在物理性能層面比銅包鋁好。銅包鋁電導體比全銅輕許多,因而銅包鋁的電纜線在總體凈重上比全銅電導體電纜線要輕,那樣會給電纜線的運送和線纜…

  • 16

    2021-10

    你知道該如何選擇耐用的電梯隨行電纜嗎?

    電梯轎廂隨行電纜是電梯轎廂運作不可或缺的一個零配件,隨行電纜如同身體中樞神經系統,與人們的生活密切相關,電梯轎廂隨身電纜線是有同軸線組成,里邊有提升不銹鋼絲和塑料繩,及結締組織,外護線套選用強力綿軟P…

  • 11

    2021-10

    電線電纜發熱原因的分析及后果危害

    電線電纜根據一定負荷電流量時,一定會發燙的,伴隨著負荷工作電流的擴大,電纜線外表溫度就越高,如果不妥善處理,不良影響顯而易見。如:聚乙烯(PVC)電纜線,是以線芯溫度70數為限制考慮到的,外表溫度會低…

主營區域: 貴州   四川   浙江   湖南   河北   河南   江西   江蘇   廣東   安徽  
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |