英语词汇“mat, regenerated roof”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	mat, regenerated roof
释义	mat, regenerated roof 再生顶板；分层开采时上分层垮落矸石自然固结或人工胶结形成的下分层开采的顶板。
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