您要查找的是不是：
- 人工更换原件复制器Duplicator with Manual Master Change
- 半自动原件更换复制器Duplicator with Semiautomatic Master Change
- 器utensil
- 有源光纤环脉冲复制器active fiber loop replicator
- 端口port
- 管理器manager
- 资源管理器explorer
- 伺服器server (computer)
- 断路器breaker
- 感应器inductor
- 联轴器shaft joint
- 清洁器cleaner
- 稳压器manostat
- 读卡器card reader
- 混频器mixer
- 接触器contactor (switch)
- 筛选器sizer
- 集线器hub (network)
- 逆变器inverter
- 熔断器fuse
