2) direct weighted safety valve
![点击朗读](/dictall/images/read.gif)
直接荷重式安全阀
3) direct-operated relief valve
![点击朗读](/dictall/images/read.gif)
直接作用式安全阀
4) shock load relief valve
![点击朗读](/dictall/images/read.gif)
冲击载荷安全阀
5) deadweight safety valve
![点击朗读](/dictall/images/read.gif)
荷重式安全阀
6) Supplementary loaded safety valve
![点击朗读](/dictall/images/read.gif)
带补充载荷的安全阀
参考词条