首页 > Term: heavy joist
heavy joist
Timber over 4 in (10.2 cm) and less than 6 in (15.2 cm) in thickness and 8 in (20.3 cm) or over in width.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
0
创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)