The teaching methods of the course of design of plastic shape-molding have been explored and practiced from the teaching concept, teaching method, teaching means, etc.
针对《塑料成型模具设计》课程的特点和目前的教学条件，从教学观念、教学方法、教学手段等方面进行了一系列探索与实践。
While profile, the cross section was composed of annulus and rectangle, was extruded, the flow mechanism the plastic melt in the die was analyzed and the design method of die land was given.
本文分析了异型(圆环型与矩形的组合)材成型时塑料熔体在模头中的流动机理，并给出了模口成型长度的设计方法。
By summarizing domestic actual anti-seismic design method, steel of high-performance for anti-seismic is needed to achieve beam plastic hinge collapse mechanism which is required in the code.
通过对我国现行抗震设计方法的简要概述，得出为了实现规范要求的钢框架梁铰倒塌机制，需要使用抗震性能好的钢材。
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