英语词汇“roof support mine roof support for longwall advancing”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	roof support mine roof support for longwall advancing
释义	roof support mine roof support for longwall advancing [固定建筑物] 屋顶支撑，采取长壁开采法的矿井顶部支撑
随便看	returned value spedification returned vouchers returned voyage returned work returnee returnees return elbow return electrode monitor return electrode monitoring return electron return empty return empty container return empty - handed return envelope returner return error returners returnes returnest returneth return evil for good return exp return expenses return expression return extrasystoles

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