室内模拟试验表明（1）超高压喷嘴安装在钻头刀翼上能辅助PDC切削齿破岩；
Simulation test shows that, (1) fixing ultra-high pressure nozzle on the bit edge is helpful to penetration with PDC cutting teeth;
在进入喷嘴之前，蒸汽处于高压状态。
Prior to entering the nozzle, the steam is at high pressure.
在进去喷嘴之前，蒸汽处于高压事态。
Prior to entering the nozzle, the steam is at high pressure.
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