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。
With strengthened steelwork and tighten jointing in each part, the cab has superior airproof and security performance.
在加强了钢铁及收紧拔节，在每一个部分，驾驶室具有优异的气密性和安全性能。
The inside of engine room is sticked sponge, each two jointing side are airproofed by airproof glue, enhancing the capacity of heat preservation of the engine room.
机舱内部粘贴海绵，各接合面采用密封胶密封，增加机舱的保温性。
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