cut-out relay armature

例句：

1. 1. The engineer carefully cut out the old relay armature and replaced it with a new one.
   工程师小心翼翼地切掉了旧的继电器铁心，并用新的替换了它。
2. 2.The technician had to cut out the faulty relay armature before starting the new circuit.
   技术人员在开始新电路之前必须剪掉故障的继电器铁心。
3. 3.The machine's performance was significantly improved after the cut-out relay armature was replaced.
   更换了切出继电器铁心后，机器的性能得到了显著提升。