ホーム > Term: right-angled block
right-angled block
In quarrying, a block of stone bounded by three pairs of parallel faces, all adjacent faces meeting at right angles.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
0
作成者
- ed.young
-
(V.I.P) 21084 ポイント - 100% positive feedback
(Milwaukee, United States)
