ball packing
英 [bɔːl ˈpækɪŋ]
美 [bɔːl ˈpækɪŋ]
球（状）填充物
双语例句
- If the table-tennis, racket and ball in the same packing.
如将乒乓球、乒乓球拍和球网放在一起的包装。 - Application of a simple overload ball clutch in the packing machinery
一种简易钢珠安全离合器在包装机械中的应用 - Nevertheless, the combined effect of a suitable gas distributor and ceramic ball packing could bring the radial pressure difference in an axial fixed bed to less than 0.08 kPa.
合适的气体分布器与瓷球填料联合使用能使催化剂床层中气体的径向压差小于0.08kPa。