排气节流阀 Exhaust shutter ; Exhaust throttle valve ; Auspuffdrossel ; exhaust restrictor

吸气节流阀 suction throttling valve ; STV

气动节流阀 pneumatic throttle ; HPJS ; Restrictor valve

节气门．节流阀．风门 throttle

消声排气节流阀 BESLD

进给空气管路节流阀 inlet air line restriction

节流阀.节气门 throttle valve

节流阀、节气阀、节流 throttle

进气节流阀 intake air restriction

空气节流阀 Air control shutter