airproof connection PVC material 电缆连接密封材料
flexible airproof 柔性密封
airproof f 不漏气的 ; 不通气的
airproof cabin 密封舱
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
High temperature resisting and airproof design resolve regular problems existed among exturding machines.
耐高温密封设计，解决了涂布机普遍存在的漏胶难题。
In this paper, we introduce the airproof principle of butyl chloride rubber and the factors related to the airproof.
介绍了氯化丁基橡胶气密性基本原理及影响气密性能的因素。
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