double crank shaft双曲柄轴 Applications of steel ball division degree in double crank shaft jig;钢球分度在双曲柄轴夹具上的应用 ..
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短语
双曲柄轴冲床
double crank press
双拐曲柄轴
double throw crankshaft
;
two throw crank-shaft
双联曲柄轴
double throw crankshaft
双弯曲柄轴
double throw crank shaft
双缸曲柄泵联轴器
duplex power pump coupling