And the machines go up and down along the length of the dam, breaking up and then re-pouring cement to try to ensure the stability of the dam's foundation.
而这台机器沿大坝的长度不断上升下降, 破坏后重新浇注水泥试图确保大坝地基的稳定。
| 单词 | dam foundation |
| 释义 |
dam foundation
原声例句
CNN 精选 2016年4月合集 And the machines go up and down along the length of the dam, breaking up and then re-pouring cement to try to ensure the stability of the dam's foundation. 而这台机器沿大坝的长度不断上升下降, 破坏后重新浇注水泥试图确保大坝地基的稳定。 |
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