Because the drilling cost is not the sole cost of bit, it is necessary to discuss here the highest rotation speed of bit in cutting rock at the lowest drilling cost.
在研究钴进过程的最佳化生产条件中,由于钻探成本的开支不是唯一的一项钻头费用,所以就有必要对最低钻探成本的最高钻头切割岩石的旋转速度进行探讨。
The experiment results show that the diameter of seedling, speed of rotation and angle of slide cutting respectively influence the cutting resistance in sequence.
结果表明,苗木直径、转速、滑切角依次影响切削阻力大小,苗木直径与切削阻力呈平方关系;
The diameter of seedling greatly influences the cutting resistance and the rotation speed greatly influences the cutting-out rate.
苗木直径较大地影响切削阻力,转速较大地影响切断率。
The diameter of seedling greatly influences the cutting resistance and the rotation speed greatly influences the cutting-out rate.
苗木直径较大地影响切削阻力,转速较大地影响切断率。
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