gravity arch dam
短語(yǔ)詞組
- gravity -arch dam 重力拱壩
- RCC Gravity -Arch Dam 碾壓混凝土重力拱壩
- concrete gravity -arch dam 混凝土重力拱壩
- vierendeel gravity -arch dam 空腹重力拱壩
- gravity abutment of arch dam 拱壩重力墩
- arch gravity dam 拱形重力壩;重力拱壩
- hollow arch -gravity dam 空腹重力拱壩 返回 gravity arch dam