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单词 working breast
释义

> as lemmas

working breast
working breast n. a surface at which mining or quarrying is carried out; cf. working face n.
ΚΠ
1853 Z. Thompson App. Hist. Vermont 43/1 The quarry presents a working breast, rising about 35 feet above the lake.
1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 167 Put, to convey coal from the working breast to the tramway.
1981 A. F. C. Wallace St. Clair i. 14 Air was expected to flow..across the face of every working breast.
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更新时间:2024/12/23 14:05:28