FBH

FBH

美 　英

• 网络flat bottom holes; 平底孔(flat bottom hole); 邗

例句

In this paper, these two points for further calculation of the impact of FL and FBH parameters, and derived non-simplified formula.

针对这两点本文进一步计算FL与FBH影响参数的关系，得出非简化公式。