Two common methods of manufacturing plastic articles are by extrusion and by injection moulding.

生产塑料制品的两种通用方法是挤出成型法和注射成型法.

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A general 3 D parametric modeling method of drum gear is put forward.

提出一种鼓型齿轮的三维参数化建模设计的通用方法.

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Of course, there are many other common ways to organize data as well.

当然, 还有许多其他组织数据通用方法.

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To have expounded universal laws and maintenance Common method on various equipment circuit fault.

比较系统、完整地论述了各种仪器设备电路故障普遍规律和维修的通用方法.

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