常見例句雙語例句Accommodation air-condition freon piping to be done air-tightness test.房艙空調(diào)氟利昂管系密性試驗。Accommodine air-condition Freon piping to end up done air-tightness and vacuum test.房艙空調(diào)氟利昂管系密性測驗和真空測驗。Result of the engine platform test showed that the valve had excellent air-tightness and wear-resistant properties, so could successfully satisfy requirements of the engine.進一步的臺架測試結果表明，排氣閥在測試過程中表現(xiàn)出了優(yōu)異的密封性和耐磨性，完全滿足發(fā)動機的性能要求。d.wanfangdata.com.cn 返回 air tightness test