下一步，你将学习橡胶、塑料和玻璃的材料制作过程。
Next, you'll learn the material creation process for rubber, plastic, and glass.
前言：目的：介绍磁性硅橡胶耳的制作方法。
AIM: To introduce the manufacturing method of magnetic silicon rubber auricle.
前言：目的：介绍磁性硅橡胶耳的制作方法。
AIM: To introduce the manufacturing method of magnetic silicon rubber auricle.
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