... 页岩的 schistic; shaly 钻岩的 lithotomous; rock boring 边界构造岩 borderline tectonite ...
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hard-rock boring 硬岩钻进
rock-boring 岩石钻孔
hard rock boring [矿业] 硬岩钻进
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
Coal-rock boring machine is able to achieve cutting, loading, reproduced transport, walking and spray Dust combined unit.
半煤岩掘进机是一种能够实现截割、装载、转载运输、行走和喷雾除尘的联合机组(略)。
Eight have died since construction of the new tunnel began 15 years ago, blasting and boring through 13 million cubic meters of rock in hot and humid conditions.
工程建设了15年,在潮湿、温热的环境中,1300万立方米的岩石被炸开和凿穿,同时也有8位工人因公殉职。
Theregion's unpredictable geology and its volcanic rock prevented engineers from using boring machines, forcing them to blast and dig their way under the Tsugaru Strait.
该地区不可预知的地质环境和火山岩结构迫使工程师放弃使用钻孔机,而是通过爆破在津轻海峡挖掘出一条通道。
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