常見例句雙語例句Manual clamping, the motor drives the cam to upsetting and butt welding, then annealing manually.手動固定夾緊，電機(jī)帶動多組凸輪進(jìn)行頂鍛對銲，然後再進(jìn)行手動二次退火処理。 返回 upsetting cam