排气: exhaust; aerofluxus; air-out ...开关: Q-switching气开关: air cock充气开关管: gas filled switching tube电气开关: electrical switching电气开关油: motor switch oil放气开关: air escape cock; air-relief cock; blow out switch; blowoff cock; blowout switch进气开关: inlet cock空气开关: air break switch; air switch/air-break switch; air switdcdh; air-break switch空气开关阀: air switching valve冷气开关: air cock煤气开关: gas-sto gas-cock暖气开关: heater control氧气开关: oxygen control knob排气开排气口开启: exhaust open电气开关设备: electrical switchgear电气开关用油: electric switch oil高速空气开关: high eed air switch; high speed air switch压缩空气开关: air-pressure switch; compressed air switch自动空气开关: automatic air circuit breaker; automatic air switch防爆自动空气开关: anti-explosion automatic air switch放气旋塞,放气开关: air relief cock分气开关转换电门: air switch复合自动空气开关: compound automatic air switch万能自动空气开关: all-purpose automatic air switch