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。
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。
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