rock-boring machine 钻岩机

hard-rock boring 硬岩钻进

rock-boring 岩石钻孔

hard rock boring [矿业] 硬岩钻进

rock boring machine 钻岩机

tbm for hard rock boring 硬岩隧洞掘进机

hard rock tunnel boring machine 岩石隧道钻挖机

Rock core boring 取石心钻

wet boring for rock 湿式凿岩