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单词
acid-producing material
释义
acid-producing material
acid-producing material
[
′as·əd prə¦düs·iŋ mə′tir·ē·əl
]
(mining engineering)
In coal mining, rock strata containing sufficient amounts of pyrite to cause acid formation when the strata are weathered by air and water.
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更新时间:2026/2/27 15:59:44