| 释义 |
fill dam
基本例句
土坝
They built up an earthen dam in time.他们及时地建起了土坝。
The studies may indicate that an earthfill dam with a center concrete gravity overflow spillway section is the most economical, in a wide flat valley.方案表明，在宽阔而平坦的河谷内，一种在中间段设置混凝土重试溢洪道的土坝是最经济的。 |