GJ-500 650 800-20m自动行走胶带输送堆高机图纸 B500 B650 B800 L=10m 15m 20m单变幅移动式皮带机图纸 DY移动式胶带输送机说明书 DY型B400-3m 5m 7m 10m移动式输送机图纸 DY型B500-10m 15m 20m移动式输送机图纸 DY型B650-10m 15m 20m移动式输送机图纸 型B800-10m 15m 20m移动式输送机图纸 HQ69型B500-10m 15m 20m移动式输送机图纸 Y45型B500-10m 15m 20m移动式输送机图纸 ZP60型B500-10m 15m 20m移动式输送机图纸 102 B800-10m移动式输送机图纸 103 B800-15m移动式输送机图纸 104 B800-20m移动式输送机图纸 YD51 B500-7m移动式输送机图纸 YD52 B500-10m移动式输送机图纸 YD53 B500-15m移动式输送机图纸 YD83 B800-15m移动式输送机图纸 B500 B650胶带输送机图纸双、左、右侧卸料