main valve body

基本解释

The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
这种止回阀应该是模块化的，并且应该采用一个O形环密封在主阀体上。
The sealing structure consists of sealing among the main valve body hole and upper and lower valves seat bush;
密封结构由主阀体孔与上下阀座衬套间的密封、球体与阀座之间的密封、旋钮与阀体旋钮之间的密封三部分组成。
The main valve body of the novel three-way pressure reducing valve uses a 10 path electro-hydraulic valve body, has strong universality, and reduces processing difficulty and manufacturing cost;
本发明主阀体借用10通径电液动阀体，通用性强，降低了加工难度和制造成本；
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