英语词汇“rate of advance”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	rate of advance
释义	rate of advance 基本例句掘进速度 Under gassy coal seam condition, the full-heading development is employed.Because of the fast heading a high rate of gas emission arises.在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。
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