| 单词 | well stage |
| 释义 | > as lemmaswell stage ΘΚΠ the world > the earth > water > lake > pool > [noun] > well > mouth of > frame or plate extending over well stage1863 well plate1871 1863 Illustr. Hand-bk. & Price Current Machinery & Iron Work (Appleby Bros.) 55 Pumps to be worked by Horse-power: consisting of..cast-iron well-stage near top of well, to carry the guides. 1871 W. D. Hoskoll Atchley's Civil Engineer's & Contractor's Estimate & Price Bk. i. 95 Cast iron well stage, 5 feet long, to be fixed at about every 12 feet in depth of the well, with roller guides for well rods and clips for rising main pipe. < as lemmas |
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