Bed rock  基岩; 成土母质; 底岩

Bed rock area  黄土区

Bed rock crack water  基岩裂隙水

bed rock mountain area  基岩山区

bed rock shear modulus  基石切力模数

bed rock type  基岩

BED-ROCK  热休克蛋白A12B; 底岩; 基岩

deep water and uncovered rock bed  深水裸岩

landslide in flat rock bed  近水平岩层滑坡

red rock bed  红色地层

Steel tube bed rock bench mark  钢管基岩标

Bare Rock Stream Bed  裸岩河床

Carbonate rock inter-bed  碳酸盐岩夹层

Red-bed soft rock  红层软岩

rock movement in bed-separation  岩层移动

rock retaining sills at the river bed  垫底加糙拦石坎

Structural features of soft rock masses in red bed  红层软岩特征

Throwing Rock Base-bed  抛石基床

monolithic track bed；solid bed；integrated ballast bed；monolithic concrete bed  整体道床