| 单词 | pit work |
| 释义 | > as lemmaspit work pit work n. (a) work done in a pit or mine; (b) the system of pumps and pump machinery situated in a pit or mine. ΘΚΠ society > occupation and work > equipment > mining equipment > [noun] > pit equipment pit work1773 1773 Art of tanning & currying Leather 13 (heading) The conclusion of the pit-work. 1779 M. Boulton & J. Watt in E. Robinson & A. E. Musson James Watt & Steam Revol. (1969) 148 Examine the state of the condenser, and rectify any thing you may find amiss; and while these things are doing the pitwork should not be neglected, that one stoppage may serve for all. 1855 J. R. Leifchild Cornwall: Mines & Miners 189 Details of the weight and cost of the ‘pitwork’ (or the parts of the machinery working in the shaft or pit). 1871 W. Morgans Man. Mining Tools 156 Fig. 171 shows a ‘set’ or ‘moil’, used for cutting ground where it requires to be done evenly, such as in the case of cutting ‘hitches’, or preparing seatings for pit work. 1883 W. S. Gresley Gloss. Terms Coal Mining 189 Pit work, the whole system of pumps and pump-rods, &c., in a pumping or engine-pit. 1991 Constr. Weekly 27 Mar. 10/1 The machine pit work will require excavating solid rock up to 4m beneath the water table level. < as lemmas |
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