The proof is in your colour printer cartridges. They come in cyan, yellow and magenta, which are the true primary colours.
如果不信的话你可以去看看你打印机里的彩墨，它们一定是青色，黄色和品红色：真正的三基色。
2
Introduced the repair-experience of the AC driver of the electrostatic printer and proposed the method to improve the primary circuit with the solid-state armature.
介绍静电复印机AC驱动器的维修经验并提出用固态继电器对原电路进行改进的方法。
3
The colored toner is one of primary consumed materials for laser-printer and laser-copier with muhicolour impression.