基本解釋[機械工程]頂鐓凸輪英漢例句雙語例句Manual clamping, the motor drives the cam to upsetting and butt welding, then annealing manually.手動固定夾緊，電機帶動多組凸輪進行頂鍛對焊，然后再進行手動二次退火處理。upsetting cam更多例句專業(yè)釋義機械工程頂鐓凸輪