• <track id="n6t6f"></track><code id="n6t6f"><rp id="n6t6f"></rp></code>

    <table id="n6t6f"><strike id="n6t6f"></strike></table><p id="n6t6f"></p><track id="n6t6f"><strike id="n6t6f"><tt id="n6t6f"></tt></strike></track>
        皮線光纜安裝布放一般技術要求
        2015-10-19 0:00:00

         

        皮線光纜布放應順直,無扭絞和交叉,不應受到外力的擠壓和操作損傷。電源線、入戶皮線光纜及建筑物內其他弱電系統的纜線應分離布放。若無法滿足時,必須采取相應的隔離保護措施。鋼絲加強型皮線光纜在交接箱中應注意將金屬件接地。

         

        日韩欧美性爱
      1. <track id="n6t6f"></track><code id="n6t6f"><rp id="n6t6f"></rp></code>

        <table id="n6t6f"><strike id="n6t6f"></strike></table><p id="n6t6f"></p><track id="n6t6f"><strike id="n6t6f"><tt id="n6t6f"></tt></strike></track>