节流阀stop valve;stopvalve;throttle;throttle valve;throttling controller;throttling valve详细»
节流阀restrictor valve throttle [valve] throttling valve详细»
节流阀stop valve;stopvalve;throttle valve详细»
节流阀control valve;theottle valve;throttle;throttled valve详细»
节流阀butterfly gate;butterfly throttle;butterfly yalve;flow controlling gate;throttling valve;trottle valve详细»