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起重滑車巨興滑車有限公司

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起重滑車.
發布時間:2013-04-18        瀏覽次數:955        返回列表
起重滑車是一種簡易的小型吊裝工具,它結構簡單使用方便,根據使用方法的不同可以分為定滑車和動滑車,單個起重滑車作為導向滑車使用,單個只能改變力的方向,并不能省力,如用兩只或多只配合并用鋼絲繩把它們圍繞在一起組成滑輪組,不僅能改變力的方向,而且能省力。
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