基本解釋n.氣態(tài)同根派生 gaseousness相關(guān)詞英漢例句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);gaseousness更多例句