英语词汇“outburst risk coal seam”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	outburst risk coal seam
释义	outburst risk coal seam 基本例句突出煤层 Grave protrusion coal seam tunnelling hydraulic cutting protrusion-dispelling measures is a new technology in the world.严重突出煤层掘进水力掏槽防突措施在国际上是一种防突新技术。
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