gravity arch dam
短语词组
- gravity -arch dam 重力拱坝
- RCC Gravity -Arch Dam 碾压混凝土重力拱坝
- concrete gravity -arch dam 混凝土重力拱坝
- vierendeel gravity -arch dam 空腹重力拱坝
- gravity abutment of arch dam 拱坝重力墩
- arch gravity dam 拱形重力坝;重力拱坝
- hollow arch -gravity dam 空腹重力拱坝 返回 gravity arch dam