1)engaging element,换档元件2)Replacement of spare parts,元件代换3)component replacement,元件替换4)Changeover piece,换向元件5)converter,transducer,interface device,转换元件6)switchover element,切换元件
用法例句
The effects of component replacement upon the observed values of the system being diagnosed are used to characterize the repair and reconfiguration, etc.
