mail truck

基本解释

In this paper, the aerodynamic resistance characteristics of STYER mail truck with different shape parameters are experimentally studied in a wind tunnel.
通过风洞试验研究了斯太尔邮政车外形结构参数变化时的气动阻力特性；
When the young man"s business got too big for him to peddle on foot, he obtained the delivery services of the local milk truck and started a makeshift mail-order catalogue."
当这个年轻人的生意越做越大，以致于无法再徒步沿街叫卖时，他购得当地牛奶卡车的递送服务，并且开始使用临时代用的邮购目录。
When the young man's business got too big for him to peddle1 on foot, he obtained the delivery services of the local milk truck and started a makeshift2 mail-order catalogue.
当这个年轻人的生意越做越大，以致于无法再徒步沿街叫卖时，他购得当地牛奶卡车的递送服务，并且开始使用临时代用的邮购目录。
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