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2017-03-08

銅絲電線電纜的優劣如何辨別

  電纜已經走進了我們生活的周圍。每一種電纜的材質和功能也有所不同。那我們該如何辨別 電纜的優劣呢?今天我們先介紹一下銅絲電線電纜的優劣如何辨別。首先我要說的是,一般優質的銅絲電線電纜都是比較柔軟的,...

2017-03-08

銅線分類及銅線的優點?

  銅線分類及銅線的優點?銅線的分類有哪些呢?銅線是經過壓制或拉制的線材。銅線導電性能非常好,因此經常被應用在制造電線、電纜、電刷等方面。此外,銅線的導熱性也非常好,因此被用于制造須防磁性干擾的磁學儀...

2017-03-08

影響銅價格的因素有哪些?

  根據供需原理,當銅的供給大于需求時,銅價下跌,反之則上漲。表現銅的供需關系的一個最重要指標就是銅的庫存,交易者不可不重視。一般來說,銅的庫存分為報告庫存和非報告庫存兩種。報告庫存是指交易所庫存,目...

2017-03-08

影響銅線質量的原因分析

  銅線彎曲即是銅料表面出現竹節狀或銅料表面具有嘶定節距的扭轉,用手摸起來感到銅料表面不潤滑、不平直的現象俗稱小彎曲;放線時線打圈引起線打結的現象俗稱大彎曲;兩種現象統稱為彎曲。產生原因及避免措施:1...

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