gravity dam
短语词组
- gravity waste dam 重力式垃圾坝
- gravity arch dam 重力拱坝
- gravity spillway dam 重力溢流坝
- gravity hollow dam 空腹重力坝
- gravity overflow dam 溢流重力坝
- gravity conjunction dam 重力坝
- hollow gravity dam [水利]空腹重力坝;[水利]空心重力坝
- profile of gravity dam 重力坝剖面
- Longtan RCC Gravity Dam 龙滩碾压混凝土重力坝 返回 gravity dam