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单词 span-beam
释义

> as lemmas

span-beam
span-beam n.
Brit. /ˈspanbiːm/
,
U.S. /ˈspænˌbim/
ΚΠ
1847 J. O. Halliwell Dict. Archaic & Provinc. Words II Span-beam, the great beam..in a barn.
1860 Eng. & Foreign Mining Gloss. (new ed.) 23 Span beam, the horizontal beam passing over the whim in which the upper pivot of the perpendicular axis moves.
1883 W. S. Gresley Gloss. Terms Coal Mining 230 Span-beam, a long wooden beam supporting the head pivot of the drum axle of a gin, and resting at the extremities upon inclined legs.
extracted from span-comb. form
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更新时间:2024/9/21 2:39:53