... hydro-pneumatic system 水压气动系统 hydropower engineering水力工程学 hydroseeding 喷草 ...
3
?水利水电工程
... hydroelectric project ; hydropower project 水利水电工程 Hydraulic and Hydro-Power Engineering ; Hydropower Engineering ; water conservancy and hydropower engineering ; Water conservancy and hydropower project 水利水电工程勘测 SURVEY AND IN...