The essay analyses every factor that has effect on delaying time mixing in the Multi-Mixer blending process, and provided the most adaptable install height of photocell.
在多仓混棉工艺中分析了影响延时混和的各项因素，给出了光电管最佳安装高度。
3
His inventions and innovations included batteries, cement mixer, the sound recording telephone, double- and multi-type cable system, railways used brakes.