breakage-proof英 [ˈbreɪkɪdʒ pruːf]美 [ˈbreɪkɪdʒ pruːf]避碎,防碎,包装破裂证据经济双语例句Design and Application of Retractable Breakage-Proof Device in Xinzhuang Coal Preparation Plant可伸缩式防破碎装置在新庄选煤厂的应用