A. goods collection B. cold chain C. automatic warehouse D. bar code E. electronic data interchange F. drop and pull transport G. full container load H. order cycle time I. loading and unloading J. distribution center K. shipping space L. sales package M. air Express N. common carrier O. joint service P. short landed cargo Q. immediate shipment R. boxed free Example: 装箱免费 ( R ) 配送中心 ( J ) QUESTIONS： 51. 发货区 ( ) 联合服务( ) 52. 甩挂运输( ) 冷链( ) 53. 销售包装( ) 条码( ) 54. 立即装运( ) 自动化仓库( ) 55. 公共承运人( ) 订货处理周期( )