(a) work done in a pit or mine; (b) the system of pumps and pump machinery situated in a pit or mine.
| 单词 | θ213308 |
| 释义 | society > occupation and work > equipment > mining equipment > [noun] > pit equipment (4) pit work1773 (a) work done in a pit or mine; (b) the system of pumps and pump machinery situated in a pit or mine. Subcategories:— at head of shaft (3) |
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