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。
Its advantages are low resistance and high breaking-off power and efficiency.
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.
本发明具有阻力小、破碎能力强、破碎效率高的优点。
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