This article introduces the performance testing device on the railway wrecking car WYZ-8A active control valve board, and explains the testing method of each performance test in details.
介绍了铁路救援机车WY Z - 8a型主控制阀板的性能测试装置，详细说明了各项性能测试的试验方法。
Use keyboard or touch screen, PLC to control menu and all the testing results can be printed out by on-board printer.
由键盘控制液晶显示屏上的菜单，机载打印测试数据。
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