常見(jiàn)例句雙語(yǔ)例句This is the air-actuated poppet valve that will serve as the ballast tank blow vent .這是空氣驅(qū)動(dòng)錐閥將充當(dāng)壓載水艙的打擊，發(fā)泄。 返回 air-vent valve