探礦平巷 的英文怎麼說
中文拼音 [tànkuàngpíngxiàng]
探礦平巷
英文
prospect tunnel-
The lengths of the probes used in horizontal hole in potassium mines were up to 200m.
鉀鹽礦井水平巷道使用的探頭長度達到200米。Means to improve comprehensive mono - roadway advancing level in yankuang
提高兗礦煤巷單巷綜掘水平的對策淺探Haulage gateway support of bulianta coal mine in shendong mining area
神東補連塔礦運輸平巷支護探討
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