英语词汇“wall rock”是什么意思，“wall rock”的读音、用法及例句翻译-乐坝网

词汇	wall rock
释义	wall rockn.（名词） The rock that forms the walls of a vein or lode.围岩：形成矿脉边界的岩石
随便看	residuary residue residues residuum residuums resign resign re-sign resignation resignation resignations resigned resigned resigned resigning resigns resile resiled resiles resilience resilience resiliences resiliencies resiliency resilient

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