英语语法分析

The pressure distribution on external surface of the test vehicle was analyzed when it passed the anemology station on the east of "Mengjin" from upward and downward.

对试验列车上、下行通过“猛进东”测风点时的车体表面压力分布情况进行分析，采用分块积分法得出试验列车上、下行通过“猛进东”测风点的气动力。