常见例句双语例句When L/D is small, die swell relates to entrance angles, and when L/D is quite great, the influence of die entrance angle for die swell is less.当L/D较小时，挤出胀大与口模入口角有关； 当L/D较大时，口模入口角对挤出胀大影响较小。 返回 die entrance angle