faulty part

• 报废零件

faulty part的用法和样例：

例句

1. All our electric motors are guaranteed for one year; in the event of mechanical failure, the makers will replace any faulty part free.
   我们的全部电机都包换1年; 如出现机械故障，任何有故障的零部件均由制造厂无偿更换。
2. The accident has been assigned to a faulty part in the engine of the bus.
   事故是由公共汽车引擎中一个损坏的零件引起的。