Packa帕卡packn.一群；一副；包裹；一包v.包装；解雇；塞满；收拾行李；佩戴packing timber包装材pack hardeningn.装箱渗碳硬化packing spiral螺旋形垫料packing effect聚集效应pack annealing成叠退火,堆垛退火packing clause包装条款packing number[化] 件号packaging room包装材料展览室packing method包装法,包装方法packaging film包装膜