吸: inhale; breathe in; draw排气: exhaust; aerofluxus; air-out ...两用: dual purpose通风机: ventilator; air machine; low ...下向和上向通风筒吸排气两用通风机: downcast and uptake ventilator船用通风机: marine fan矿用通风机: mine ventilating fan排气通风机: air exhaust ventilator; air-ejecting fan; air-exhaust ventilator; suction fan排气式通风机: induced draft fan麻醉时用通风机: standard specification for ventilators intended for use during anesthesia轴流排气通风机: axial flow exhaust fan虹吸排气管: back vent; backvent吸排气装置: breathing apparatus空调用通风机安全要求: safety requirements of fan for air conditioning油气两用的: however research work on the electricity steam and hybrid gasoline-natural gas powered排气通风筒烟道抽风机: upcast entilator; uptake ventilator两用通气管: dual vent通风机: aerator; air blower; air fan; air machine; blowing ventilator; draft apparatus; draft blower; draft fan; draught fan; fa er; fanner; fanning machine; vent fan; ventilating blower; ventilating engine; ventilating fan; ventilating machine; ventilation blower; ventilation fan; ventilators. fans. air-conditioners; ventilators/fans通风机,鼓风机: blower船用通风: marine ventilation air-conditioning and heating systems共用通风管: common vent有用通风: available fraft通风机,通风器: ventilator通风扇;通风机: ventilation fan抽空气压气两用泵: vacuum and pressure air pump