单词	differential pressure valve
释义	differential pressure valve 差阀
随便看	steam heating by gravity steam heating chamber steam-heating chamber steam heating coil steam-heating coil steamheating down-feed gravity system steam-heating down-feed system Steam heating during crushing steam heating equipment steam heating furnace steam heating pipe steam-heating pipe steam heating pipeline steam heatings steam-heatings steam heating steam engine plant steam heating system steam-heating system steam heating system in annulus steam heating system with dry return steam-heating system with dry return steam heating system with wet return steam heating tank steam-heating tank steam heating tracer