Philip began to scoop grain into his polythene bag.
飞利浦开始用铲子往塑料袋里装粮食。
Philip began to scoop grain into his polythene bag.
飞利浦开始用铲子往塑料袋里装粮食。
This polythene sheet should serve to keep out the rain for a while.
这种聚乙烯塑料以挡一会儿雨。
Three-dimensional flow field in the elutriator of polythene packed system is simulated based on the standard k-e model provided by FLUENT, is studied firstly to improve the separation efficiency.
为进一步提高聚乙烯粒料装系统淘析器分离效率,对系统内气相流场进行了研究和分析。
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