hard rock tunnel boring machine是什么意思


中文翻译岩石隧道钻挖机

网络释义

1)hard rock tunnel boring machine,岩石隧道钻挖机2)The rock was caverned out to make a tunnel.,挖空岩石造隧道。3)The rock was caverned out to make a tunnel,挖出岩石造隧道。4)bored tunnel,钻挖的隧道5)hard rock tunnel boring machine,岩石隧道掘进机6)rock tunnel,岩石隧道

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