试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。
The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
结果表明：高压水射流的靶距、射流时间和水射流压力均对其冲蚀能力具有重要影响，三种参数在一定范围都存在影响冲蚀能力的平缓平台区；
The results demonstrated that there were important inferences by the three parameters such as time , distance and pressure for the ability of cavitation , and there was a flat in a certain extent.
在其它参数不变时为获得最大的冲蚀体积率则有一最佳的磨料重量比浓度和横移速度及靶距；
An. optimum specific concentration of abrasive by weight, traverse speed and target distance will get the highest volume removal rate while keeping up other parameters unchanged.
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