【rock_electric_drill】什么意思_英语rock_electric_drill的翻译_音标_读音_用法_例句_在线翻译

rock electric drill

岩石电钻

... rock crusher 碎石机 rock electric drill 岩石电钻 rock-boring machine 钻岩机 ...

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短语

electric rock drill [矿业] 电动钻岩机 ; [矿业] 岩石电钻 ; [矿业] 电动凿岩机

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Since the process of colliding mechanism of electric rock drill is complex, there isn't a set of calculating method practically still now.

电动凿岩机冲击机构因其受力过程比较复杂，至今尚无一套可行的计算方法。

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