本发明具有阻力小、破碎能力强、破碎效率高的优点。
Its advantages are low resistance and high breaking-off power and efficiency.
实验表明，提高了射流冲击压力的破碎岩石效率。
Experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced.
实验表明，提高了射流冲击压力的破碎岩石效率。
Experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced.
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