| 单词 | overflow sill |
| 释义 | > as lemmasoverflow sill overflow sill n. ΚΠ 1902 Encycl. Brit. XXXIII. 786/1 The overflow sill or weir should be a masonry structure of rounded vertical section raised a foot or more about the waste-water course. 1959 Proc. Royal Soc. A. 253 292 The water was supplied from a movable tank connected to the water supply and furnished with an overflow sill to keep the head constant. < as lemmas |
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