常見(jiàn)例句gaseou extinguishant 氣體滅火劑Keywords heptafluoropropane;gaseou extinguishant;gaseous fire-extinguishing system;fire extinguishment; 七氟丙烷;氣體滅火劑;氣體滅火系統(tǒng);滅火試驗(yàn); 返回 gaseousness