演生压力角
generating pressure angle
端面压力角
transverse pressure angle
横压力角
transverse pressure angle
渐开线压力角
Pressure Angle of Involute
双压力角非对称齿廓
unsymmetric tooth profile with double pressure angles
双压力角渐开线齿形
involute gear with double pressure angles
向心线压力角β
centroclinal pressure angle
非等模数非等压力角
non-equivalent modulus and pressure angle
unequal modulus and pressure angle
压力角表达式
Pressure angle expression
Expression of pressure angle