single-colorCOCA¹⁶⁴⁵⁹⁶ 基本例句 🌏单色；单色围巾；单色价格 Introduced a kind of method which double- color plastic beady parts can be molded using single-color injection machine, It is not only simple and practical but also easy to be extended. 介绍了一种在单色注射机上成型双色塑料珠饰品的成型方法。该方法简单实用，易于推广。 chemyq