air-proof

英 [eə(r) pruːf]

美 [er pruːf]

adj.  不透气的；密封的

机械

双语例句

• Self-made Drainage-tube Air-proof Circle to Prevent Intracranial Pneumatosis
  自制引流管防气圈预防颅内积气
• It is proved by the experiments that the quality of air-proof of the device is very important for realizing the non-oxidation healing.
  实验表明：系统的密封质量对能否实现无氧化加热至关重要。
• Study on the Criterion of Air-proof Inspection of Automobile Vacuum Booster
  汽车真空助力器密封检验标准的研究