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手扳葫蘆英語翻譯例句
Mechanical efficiency of wire-rope lever block
鋼絲繩手扳葫蘆的機(jī)械效率
This paper presents the principles of the brakes on chain and
lever blocks,analyzes the forces,and offers the design method.
介紹手拉葫蘆與手扳葫蘆制動(dòng)器的工作原理 ,分析了制動(dòng)器的受力情況 ,介紹了制動(dòng)
機(jī)構(gòu)設(shè)計(jì)的方法和注意事項(xiàng)。
