燃气两用燃烧器 PXG ; ZYMF

气两细度试验仪 airflow tester

高速水气两相流 HIGH-VELOCITY AERATED FLOW

气两开棉机 pneumatic opener

烧油或烧气两用燃烧器 dual oil-or-gas-firing burner

抽空压气两用泵 vacuum and pressure air pump

燃油-废气两用锅炉 oil fired-exhaust gas boiler

进排气两用阀 combined inlet and exhaust valve ; combined inlet and outlet valve

氙气两脚灯 xelogen bi-pin lamp

油气两用烧嘴 oil-gas two-way burner