a framework or platform inside the shaft of a well to which equipment can be attached.
单词 | θ3308 |
释义 | the world > the earth > water > lake > pool > [noun] > well > mouth of > frame or plate extending over (2) well stage1863 a framework or platform inside the shaft of a well to which equipment can be attached. well plate1871 †(a) a metal plate over the top of a well on which equipment can be placed (obsolete); (b) a rectangular plate or block containing multiple small… |
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