To avoid "water" : When encountering water gathered on the road, the driver should first observe the depth of it. If the water is above the axle, continuous driving is not advocated.
行车过程中遇到积水路面时首先要观察水的深度，如果水漫过车轴就不宜继续行驶。
2
The fatigue crack propagation testing were completed for CT specimens of LZ50 axle steels with continuous casting and mould casting.