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	port of new york authority port of origin Porto Formoso porto franco port of recruit port of refuge port of refugee port of refuge expenses port of register port of registration port of registry port of registry,home port Port of Repair port of reshipment port of route port of sailing port of sailing, port of origin Port of Seattle port of shipment Port of Singapore Authority port of-spain portof spain port-of-spain port of spain port of supply

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