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单词 breaker
释义 breaker
[`brā·kǝr]
MINING ENGINEERING
1. In anthracite mining, the structure in which the coal is broken, sized, and cleaned for market. Also known as coalbreaker.
2. One of a row of drill holes above the mining holes in a tunnel face.
OCEANOGRAPHY
A wave breaking on a shore, over a reef, or other mass in a body of water.
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