Abrasion of hydraulic machinery is a knotty problem faced by hydraulic machinery operated in siltladenriver in our country.
水力机械的磨蚀是我国多泥沙河流上运行的机组长期以来面临的疑难问题。
2
There's no sign of ice, just a river roiling with silt-laden melt.
这里看不到冰雪的迹象，只有融化的雪水裹挟着泥沙顺流而下。
3
It has the following features: the runner blades themselves are the samples, the test medium is the original silt-laden water from the river course of Yellow river and the test period is short.