Three kinds of leakage proof measures for coal dust fan are introduced.
介绍了煤粉风机的三种防泄漏措施。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
The sensor is made of stainless steel. It has great strength and is leakage-proof.
传感器采用不锈钢材料,强度高,不泄漏,使其更适用于现场使用。
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