工件
The machine is halted to load the pendulum wheel with workpieces. 在将工件装进摆动盘时必须将机床暂停。
While holding component parts by fixtures the machining errors will be engendered on workpieces owing to a lot of reasons. 用夹具装夹工件进行机械加工时，由于诸多原因，会使工件产生加工误差。
