The air resistance makes influence on the flight of an aeroplane.空气阻力影响飞机飞行.This increases their air - resistance and reduces the shock of impact when they hit the ground.这样就加大了空气阻力,并减少了它们着地时冲击力带来的震动.Engineers will work ...
The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.There are lots of advantages by cold extrusion for straight knurl nut in a single process.直纹滚花螺母采用冷挤压一次成形新...
The new supersedes the old.新陈代谢.No sooner do you buy a computer than they bring out a new one which supersedes it.你买电脑后不久他们就会推出新产品取代它.This Standard supersedes polyvinyl chloride plastic sheets for waterproofing ( GB 1295...
They leveled the hillock to flat ground and began to grow crops.他们削平了乱土岗,开始种庄稼.The children are playing on the hillock.孩子们正在小土堆上玩.Among them, adjudgement, procuratorial work assists hillock 491 post of procuratorate judi...