最后: last; final; ultimate控制元件: control element; control com ...气动最后控制元件: air operated final control element最后控制: ultimate control最后控制条件: final controlled conditions光控制元件: optical passive devices/control devices控制元件: control component; control element; control member; gating element; pilot cell; pilotcell主控制元件: main controlling element操纵控制元件: maneuvering control element常闭控制元件: normally closed control element; normally-closed control element常开控制元件: normally open control element程序控制元件: sequence control element传输控制元件: tce transmission control element电化控制元件: solion电子控制元件: electronic control element功率控制元件: power control member规划控制元件: program controlling element缓冲控制元件: butter control unit控制元件公司: control components ltd控制元件联锁: control interlock控制元件总成: control element assembly控制元件组件: control element assembly前向控制元件: controlling elements forward上游控制元件: upstream control element顺序控制元件: sequence control element