This paper deals with the mould structure and empirical formulas for calculating die parameters, finalized design and pattern-rolling devices of PS fluorescent lamp-shade.
这篇文章介绍PS日光灯罩挤出模具结构，口模参数阅历计算公式，定型计划和轧花设备。
During the process of inheritance, folk dances like the straw-dragon dance, rolling-lamp dance and water-clan dances have been formed.
在传承过程中，形成了草龙舞、滚灯舞、水族舞等民俗舞蹈。
应用推荐