解析LED灯具混色原理及颜色控制方式。“,”In this article, the author explained principles of mixing color, as well as col......

分析对比码头作业的常用光源，得出几种光源的适用场合，综合考虑散粮码头特殊的工作环境，通过实例说明散粮码头不同作业区域照明光源和......