pervious wall是什么意思 pervious wall怎么读
pervious wall的用法和样例
- The tidal wave formed a terrifying wall of water.
海啸形成一堵骇人的水墙。 - Leakage in a dam foundation may sometimes be overcome by digging deep into it so as to build a cutoff wall into the foundation.
坝基漏水的现象，有时可以用深挖地基建造堵截水墙的办法来克服。
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