Polyethylene (PE) model of spin one-time molding process autopoietic.
聚乙烯(PE)旋塑成工艺一次性模式成型。
As for young people, they can in spare time doing sports for molding temperament and building body...... If the prohibition line goes on stretching, some day it reaches me.
年轻人没有事,可以多搞些体育锻炼,既陶冶了性情,又锻炼了身体……这样禁来禁去,总有一天禁到我身上。
A: What is the cycle time of the injection molding machine?
A:这台注塑机的工作周期是多少?
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