The melt flow phenomenon of flat spiral type die had been studied by 3d numerical simulation.
对吹塑薄膜平面螺旋式模头内熔体流动现象进行了三维数值模拟。
The die had been put into production. It met pretty well with the needs of the quality requirements of making product and development for new products in enterprise.
该模具已经投入实际生产使用，完全满足制件制造质量要求和企业新产品开发的需要。
Parkinson's, a neurological disorder in which some of the brain cells that control movement die, had made him unable to walk.
帕金森氏症是一种因某些控制人体行动的脑细胞死亡而造成的神经紊乱综合症。
Parkinson's, a neurological disorder in which some of the brain cells that control movement die, had made him unable to walk.
帕金森氏症是一种因某些控制人体行动的脑细胞死亡而造成的神经紊乱综合症。
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