홈 > Term: testing flame
testing flame
The lowered flame of a miner's flame safety lamp, which is used to detect the presence of small percentages of combustible gases in mine air.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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