cresci造句

• The aerodynamic design of curve of nozzle adopts perfect gas cresco method to calculate non - existence glutinous model surface , the correct boundary layer of the nozzle wall side adopts sivells - payre method , and the calculation of constringency part of the nozzle adopts stock formula
  其中,喷管型面气动设计采用理想气体的cresci方法计算无粘型面;喷管的附面层修正采用sivells - payre方法;喷管收缩段的设计采用维托辛斯基公式。