level surface造句

1、Which coincide with the mean sea level surface is the geoid.
其中与平均海平面重合的面就是大地水准面。

2、Placing the roof assembly on a level surface can damage the roof assembly frame.
将天窗总成放置在水平面上可能导致天窗总成框架受损。

3、The car should be on a level surface with the parking brake on and engine off.
将汽车停放在水平的地面上，关闭发动机并拉紧手刹。