主阀门 meaning in English
head valve
main valve
Examples
- The main valve body shall be manufactured from 300 series stainless steel to provide corrosion resistance
主阀门阀体应该采用耐腐蚀的300系列不锈钢制造。 - While unscrewing the injector button head , a second wrench must be used to assure that the injector body is not loosened from the main valve
在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。 - Service of all internal check valve components shall be through top mounted access covers threaded to the main valve body
所有止回阀内部部件的维修应该能够通过顶部安装的检修盖进入进行，这种检修盖应该通过螺纹固定在主阀门阀体上。 - Series b includes lines conveying gases or liquids where bypassing may facilitate the operation of the main valve through balancing the pressure on both sides of the disc ( or discs )
系列b包括输气或输液管道，通过平衡阀瓣两边的压力使得主阀门运行容易。