片语
gas supply regulator供气调节器
throttle valve节流阀
gas press regulator煤气稳压阀
gas cylinder regulator气瓶减压器
gas bias regulator气体偏压调节器
gas pressure regulator vent气体压力调节器通风口
choke valve节流阀;[动力] 阻风门;阻气阀
gas s regulator气体调节器
gas pressure regulator solenoid气体压力调节器电磁阀
gas concentration regulator煤气浓度调节阀