demand-supply condition
英
美
- 供需状况
双语例句
- On the basis of summing up the study results of predecessors an analysis in depth centers on the supply and demand of urea in main grain-producing areas in China.
摘要在总结前人研究的基础上，重点从季节和作物角度对我国粮食主产区尿素供需状况作了深入分析。
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