cost of service的意思|示意
美 / kɔst ɔv ˈsɜːvɪs /
英 / kɔst ʌv 'sɝvɪs /
服务成本
cost of service相关例句
Thirdly, this paper studied on the product process and its cost of service provider.
再次从服务提供者角度研究了服务产品的生产销售过程及其成本构成.
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