您要查找的是不是：
- PWM糇流器PWM rectifier
- 器utensil
- 管理器manager
- 资源管理器explorer
- 轴向导流器axial exducer
- (分级)旋流器classifying cyclone
- 溢流器overflow device
- 浓密旋流器thickening cyclone
- 排流器electric drainage
- 流量调节采用针阀或限流器。Adjustment is provided in the form of a needle-value or restrictor.
- 匀流器flow homogenizer
- 拢流器baffle
- 滴流器drip
- 控流器flow-controlled device
- 渗流器percolator
- 扼流器choke
- 反流器inverter
- 紊流器turbulator
- 恒流器galvanostat
- 阻流器choke
