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单词 herringbone stoping
释义 herringbone stoping
[`her·iŋ´bōn ¦stōp·iŋ]
MINING ENGINEERING
Method used in flattish Rand stope panels 500-1000 feet (150-300 meters) long for breaking and moving the ore; the stope is divided into 20-foot (6-meter) panels, and a different gang works each panel; a tramming system delivers the cut rock to a central scraper system.
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