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xsjbearing
xsjbearing
年龄: 39
国家: 美国
xsjbearing 写了一个新的 博文

The development trend of cross universal joint coupling

custom universal joints couplings can be widely used in metallurgy, lifting, engineering transportation, mining, petroleum, shipbuilding, coal, rubber, paper machinery and other heavy machinery industries to transmit torque...

4 一年前