基本解释[冶金工程技术]模孔入口锥英汉例句双语例句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。die entrance angle更多例句专业释义冶金工程技术模孔入口锥