air proof
常见例句
- Our productions have good-looking in shape and excellent air proof functions.
公司生产的阀门造型美观、密封性好。
yhwbfm.cnpv.com.cn - If the protective seal is not air proof or poor gas purity, it will also bring welding quality problems.
气路有密封不好的问题，或气体纯度不高，也会引起焊接质量问题。
baike.china.alibaba.com - Experimental analysis was conducted to study launching equipment damage caused by open delay of air proof cover.
针对密封盖未及时开启造成发射装置的损坏问题进行了实验分析。 - Another resident, Shashikant Salunke, who works for Air India, worries that by surrendering his proof of residence, he'll be left in limbo.
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