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.
这种聚乙烯塑料应该可以挡一会儿雨。
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包装系统淘器的离效率,对系统内气相流场进行了研究。
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