Weight of the crust changes as elevations are eroded and materials are deposited elsewhere.当高地受到侵蚀,物质沉积到别的地方时,地壳的重量就改变.All deck elevations are on the top of structural beams.所有甲板标高线均指结构梁顶线.The woman was hospitalised beca...
这是一台机械推动的车辆.This is a mechanically propelled vehicle.这机器是由电推动的.This machine goes by electricity.一种以火箭推动的装置将其在大气中飞行时热度增加的资料以远距离记录仪传送回来.A rocketpowered device telemeters heating data obtained on flights through the atmosph...