提出在有防爆要求的场合下，利用前混合磨料水射流冷切割技术对混凝土等脆性材料进行切割。
To meet the occasion that has the requirement of explosion proof, the cold cutting technology of premixed abrasive water jet was proposed to use in the cut of brittle materials such as concretes.
在冷态模拟实验中，就交叉射流的参数对主变形率的影响进行了研究。
Through a water simulation experiment, the influence of cross jet parameters on principle strain was studied.
首先，在冷态流动中完成了利用网格湍流控制射流剪切层的实验研究。
First of all, control of the shear layer of jets by grid turbulence was studied for isothermal flows.
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