Gravel strata is a kind of typical instable layer in drilling engineering.卵砾石地层是钻探工程中常见的一种典型的不稳定地层.The instable voltage of grid shortens the service life of street lamps.电网供电电压不稳定,致使路灯的使用寿命缩短.Our budget shrunk because of...
a kilometre and a half of bitumen一公里半的柏油路面Bitumen paper can be burnt to gain energy.沥青纸可以焚烧以获得能量。In fact, a speciality crude is suitable only for bitumen production.事实上, 这种特性的原油只适宜于生产沥青....
Consolidation settlement occurs mainly in clays or silts.压缩沉降主要出现在粘土或粉沙中.This will occur both in sands and clays.这在砂土地和粘土地带常常发生.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
A sudden glare of headlights lit the driveway.突然一辆汽车的头灯照亮了车道。The truck's headlights were all fuzzy and ghostlike.卡车的前灯光模糊一片,鬼火一样.He lost his temper after a driver flashed her headlights as he overtook...一个女司机在他超车时不停...