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释义
society > occupation and work > equipment > mining equipment > [noun] > pit supports (10)
yoking1653

English regional (Derbyshire). Mining. Now historical. Each of the (typically four) pieces of wood joined together to support the stowces…

set1830

Mining. In full set of timber(s: A frame for supporting the side of a level or shaft, or the roof of a gallery.

crib1839

Mining. A framework of timber, etc., lining a shaft, to prevent the earth from caving in, or water from trickling through.

tub1839

Coal Mining. The lining of a pit-shaft.

wedging crib1839

attributive, as wedging joint; wedging crib n.,wedging curb n. Mining (see crib, n. 12 and curb, n. 10).

cribbing1841

Mining. Timbering forming the lining of a shaft, etc.; cribwork.

ring crib1849

a circular crib (crib, n. 12) with an open top.

tack1849

dialect (some doubtfully belonging here). Coal Mining. A temporary prop or scaffold: see quots.

tymp1883

Coal Mining. A horizontal piece of timber for supporting the roof; also called bar, cap, or lid.

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更新时间:2025/1/31 7:25:05