gravity arch dam
短語詞組
- gravity -arch dam 重力拱垻
- RCC Gravity -Arch Dam 碾壓混凝土重力拱垻
- concrete gravity -arch dam 混凝土重力拱垻
- vierendeel gravity -arch dam 空腹重力拱垻
- gravity abutment of arch dam 拱垻重力墩
- arch gravity dam 拱形重力垻;重力拱垻
- hollow arch -gravity dam 空腹重力拱垻 返回 gravity arch dam