An analysis on main reason for leaking of the mechanism airproof system of the CZ-model pumps is made and a resolution is put forward.
分析了CZ型泵机械密封泄漏的主要原因并提出了解决措施。
However, you can take a smack of cash covered in the waterproof or airproof bag with you, in case that you buy some required articles for use.
可带少量现金用防水袋或密封袋封好，以备沿途购买所需用品。
Under the function of the spring, the elastic airproof ring can generate elastic distortion to cause the circular arc part of the airproof ring to contact with a rollaway nest all the time.
在弹簧的作用下，本实用新型可以产生弹性变形，使密封圈的圆弧部分始终与滚道相接触。
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