首页 >                  	Term: catch scaffold  
catch scaffold
Eng. A platform in a shaft a few feet beneath a working scaffold; to be used in case of accident.
- 词性: noun
 - 行业/领域: 采矿
 - 类别 一般矿业; Mineral mining
 - Government Agency: USBM
 
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 创建者
- ed.young
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(Milwaukee, United States)