【摘要】 本文通过实际验证,对现有胀管率公式进行了分析比较;指出了现有胀管率公式与实际验证数据之间存在的差异;并对胀管率概念提出了自己的见解,同时对现有胀管率公式提出了修正意见。更多还原

【Abstract】 By verifying in practice, this paper analyzed and compared existing formulas of the rate of expand tube, and pointed out the difference between the formulas of existing and data verified in practice. It also addressed their position as well as suggestions for correcting existing formulas of the rate of expands tube.更多还原