the wetted surface coefficients of 122 round bottom crafts have been analysed in order to derive a prediction equation by the method of least-squares.
本文用回归分析方法分析了122艘圆舭艇湿表面积系数,得出湿表面积系数预报方程式。
currently, the apparatus used in distillation and other chemical reactions include round bottom flask, two necked bottle, three necked bottle, and etc.