In this section we discuss the longitudinalload effects.
在此，我们讨论纵向载荷影响。
2
Encountering a vertical gust environment the plane will get unexpectful longitudinalload.
飞机受到垂直阵风的影响会产生不希望的法向过载。
3
According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinalload produced by negative frictional force.