Cross the center line的意思|示意

Do not cross the center line.

请不要穿越中线。

If the cross section area of the two branching ducts are different, the Included angle on the smaller branch duct against the extended center line is usually bigger.

若分枝管的截面积大小不同，则细支管与母管中心延长线间的夹角较大；

A method of surveying cross section map is introduced unwanted center line piles. the method is simple and convenient, and can raise operational efficiency and work quality.

本文介绍一种不放线路中桩测绘横断面图的方法。该方法简单方便灵活，能提高作业效率和工作质量。

Is now in operation in the temporary processing center has oil mill roll production line, straight cross-cutting production lines.

现已运作中的加工中心暂设有油磨卷生产线，平直横切生产线。

As soon as I cross over the top of show center and get to about the 500-foot line from looking down, I come all the way back on the stick to get to about seventy-five degrees nose high.

就在我飞过展览中心的上空、回头看到地面上的500英尺标线时，我用力把驾驶杆向后拉到底，使飞机的仰角达到75度。