bed rock

同根派生

The socalled “glacial mortars” are in fact the fluvial pot-holes developed on the river bed rock.
据此，我们认为所谓冰臼群，实是河床壶穴地貌。
Bed Rock, it sounds basic, solid, down earth. Alright, get going boy. And bring me back a picture.
贝德洛克，听起来很踏实，坚固。好吧，就去那里吧，伙计。给我带回部好片子来。
Aided by the navigation,location control system and under strict organization and management,the river bed rock retaining sills had been constructed.
垫底加糙拦石坎施工通过导航、定位控制系统的建立和严密的组织及管理,完成了垫底加糙拦石坎抛投施工任务。
Put forward a new method applying conventional ground fracturing construction pressure to get coal bed rock mechanical parameters.
摘要提出了应用常规的地面压裂施工压力资料求取煤层岩石力学参数的一种新方法。
The Maoping landslide is a large and old landslide of the bed rock in the Geheyan reservoir area of the Qingjiang River.
茅坪滑坡是清江隔河岩库区一个大型的基岩古滑坡体。