如题所述
齿距p@πm-所以齿距@3:1415926+3@9:4248🔝齿顶高齿顶高ha=m=3🔙齿根高齿根高hf=1.25m=1.25*3=3.75📈全齿高全齿高h=2.25m=2.25*3=6.75