利用前混合磨料射流技术和数控技术，研制出了新型的低压水刀。
A new lower pressure water jet cutter is developed, which using the technology of premixed abrasive jet and CNC.
试验结果表明：前混合磨料射流水下切割混凝土与水下切割钢板规律基本一致。
The results show that the rule of cutting steel and that of cutting concrete have little difference with the PREMAJet in water.
自激振荡磨料射流是在自激振荡脉冲射流和前混合磨料射流基础上，提出的新型射流。
On the basis of self oscillating pulse water jet and pre mixed abrasive water jet, a new type abrasive jet, self oscillating abrasive water jet (SOAWJ), is put forward.
前混合磨料水射流对混凝土等建筑脆性材料具有良好的切割效果，在易燃易爆等应急场合进行切割作业具有独特优势。
Good effect of cutting brittle materials such as concrete by premixed abrasive water jet shows that this clod cutting technology has a unique advantage in the schoolwork under urgent conditions.
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.
前言：在磨料水射流切割设备中，磨料其主要工作介质，磨料与水的混合方式主要有前混合和后混合两种。
In water jet cutting(WJC) devices, the cutting medium are many kinds of abrasives. There are two types of abrasive mixing methods widely used in present WJC devices: post-mixing and pre-mixing.
数值计算结果证实了前混合磨料水射流切割同样的材料所需压力仅为后混合磨料水射流的1/10左右。
The numerical values show that the pressure of pre-mixed abrasive water-jet for cutting the same material is only 1/10 of sub-mixed abrasive water-jet approximately.
数值计算结果证实了前混合磨料水射流切割同样的材料所需压力仅为后混合磨料水射流的1/10左右。
The numerical values show that the pressure of pre-mixed abrasive water-jet for cutting the same material is only 1/10 of sub-mixed abrasive water-jet approximately.
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