This paper points out various formulas of rock resistant factor are special cases of this formula.

并指出，现有的各种岩石抗力系数公式均是本公式的特例。

youdao

This paper points out various formulas of rock resistant factor are special cases of this formula.

并指出，现有的各种岩石抗力系数公式均是本公式的特例。

youdao