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单词 side drift
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side drift
side drift n. Mining a horizontal passage or tunnel leading off a main passage.
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society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > passage > horizontal > types of
level1721
roadway1832
side drift1837
narrow1850
entry1854
rise heading1872
cross-head1877
sump drift1880
gopher-drift1881
stone-heading1892
1837 Jrnl. Senate Pennsylvania 2 388 The side drifts used in the excavation, would leave a free passage for the water from one tunnel to the other.
1872 ‘M. Twain’ Roughing It xl. 279 He disappeared in the gloom of a ‘side drift’ just as a head appeared in the mouth of the shaft.
2014 P. J. Howard Yankee Yooper on Keweenaw iii. 41 All the deep shaft and side drifts beyond 500 feet flooded with water.
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更新时间:2025/1/4 0:27:42