The four key procedures in the internal logistics are supply, production, distribution and reverse.
企业物流的四个关键步骤是：供应、生产、销售和回收。
The internal property subject structure distribution is reasonable and the multi-principal agent relationship is perfected.
合理配置内部产权主体结构，完善委托代理关系；
The paper displays the distribution of several key parameters in the internal flow field.
文中给出了水泵内部流场影响性能的几个关键参数的分布规律。
The paper displays the distribution of several key parameters in the internal flow field.
文中给出了水泵内部流场影响性能的几个关键参数的分布规律。
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