谁知道 “CONTROL-VALVE”具体是个什么东西?这具体是个什么阀门,谁知道具体的参数?

directional control valve是什么意思 PNEUMATIC CONTROL VALVE MINIATURE SOLENOID CONTROL VALVE SPECIFICATION什么意思? 谁知道 “CONTROL-VALVE”具体是个什么东西?这具体是个什么阀门,谁知道具体的参数? Negative Draft Control Valve 是 什么意思 PROPORTIONAL ELECTRO HYDRAULIO PRESSURE CONTROL VALVE 翻译成中文是什么意思 valve 英语翻译Control of Charge Dilution in Turbocharged Diesel Engines via Exhaust Valve Timing 汽车方面的! 请问（implement control valve）和（pilot oil）的准确释义是什么? 英语翻译the installation method is determined by the combination of the control valve and positioner as well as by the valve manufacturer who performs the adjusment Control control valve是什么意思 valve是什么意思 FLOW CONTROL VALVE,DIN,PN10,RF 125-500 RA-FN,CS ASTM A216 GR,WCB BODY 13CR TRIM API TR NO.1怎么翻译啊,请帮忙 今天做翻译,有一个 spool type control valve,是翻译成 绕线轴式控制阀么,具体介绍下? 谁知道半杯水的所具有的哲理? 英语翻译Other flow controlsFlow dividers - A flow-divider valve is a form of pressure-compensated flow-control valve that receives one input flow and splits it into two output flows.The valve can deliver equal flows in each stream or,if necessary