gravity dam
短语词组
- gravity waste dam 重力式垃圾垻
- gravity arch dam 重力拱垻
- gravity spillway dam 重力溢流垻
- gravity hollow dam 空腹重力垻
- gravity overflow dam 溢流重力垻
- gravity conjunction dam 重力垻
- hollow gravity dam [水利]空腹重力垻;[水利]空心重力垻
- profile of gravity dam 重力垻剖麪
- Longtan RCC Gravity Dam 龍灘碾壓混凝土重力垻 返回 gravity dam