改进题：The duplicate shipping documents including bill of lading,invoice,packing list and inspection certification were airmailed to you today.
译文：包括提单、发票、装箱单和检验证书在内的装运单证副本今日航邮将到达贵处。
改进的译文：包括提单、发票、装箱单和检验证书在内的装运单证副本今日航邮贵处。
改进题：The duplicate shipping documents including bill of lading,invoice,packing list and inspection certification were airmailed to you today.
译文：包括提单、发票、装箱单和检验证书在内的装运单证副本今日航邮将到达贵处。
改进的译文：包括提单、发票、装箱单和检验证书在内的装运单证副本今日航邮贵处。
