... proportion of traffic 运输量的分配额 proportion scales 配料秤 proportion valve 比例阀 ...
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The so-called service in the industry did not exist, but the service industry, the proportion of components of different scales, everyone for his services.
“所谓服务业这一行业根本不存在，只是各行业中服务成分所占的比重大小有所不同而已，每个人都在为他服务”。
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