This is normally done by charging the brake pipe fully from one end of the train and checking that it has charged at the other end.
通常的做法是从列车制动管的一端充气，观察另一端的变化。
The testing method using fall size substance specimens is introduced for transmission shaft, oil well pipe, train pothook, cover of sewer well.
介绍了传动轴、油井管、火车挂钩、窨井盖等全尺寸实体试件试验方法与工程实际应用情况。
We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
建立了考虑列车管泄漏的连续性方程，给出一种求解压力速度耦合方程的显式有限差分算法。
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