2020-2021学年外研版英语七年级下册词汇讲义拓展学习法(第80组)
guidebook1) guidepost [英]['gaidpəust] [美]['gaɪd,post] 导向柱2.Holder for sliding guide die sets for press tools-Punch holder for back pillar sets 冲模滑动导向模座后侧导柱上模座3.Holder for ball slide die sets for press tools-Punch holder for back pillar sets 冲模滚动导向模座后侧导柱上模座