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。
The utility model relates to an elastic airproof ring with high speed ball bearing leading screw pair opening, which is composed of an opening, an airproof ring body, a groove and a spring.
高速滚珠丝杠副开口弹性密封圈，涉及有开口、密封圈体、凹槽和弹簧组成。
The utility model relates to a new type airproof microwave extractive container for chemical use, which consists of a container body, an airtight cover and an external cover.
一种化学用新型密闭式微波萃取容器，由罐体、密闭盖和外盖组成。
The utility model relates to a new type airproof microwave extractive container for chemical use, which consists of a container body, an airtight cover and an external cover.
一种化学用新型密闭式微波萃取容器，由罐体、密闭盖和外盖组成。
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