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支柱 密度
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Chinese
English
tech.
支柱密度
support density
expl.
支柱密度
采煤工作面控顶区内顶板单位面积上支柱的数目以<根/m²〉 表示
prop density
tech.
支柱密度
prop density
tech.
支柱布置密实度
post density
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