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维修保养手册或安全运行,维修,故障排除和维修程序的试验方法、情况和要求。
Test methods, conditions and requirements of safe operation, repair, troubleshooting and maintenance procedures.
youdao
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维修保养手册或安全运行,维修,故障排除和维修程序的试验方法、情况和要求。
Test methods, conditions and requirements of safe operation, repair, troubleshooting and maintenance procedures.
youdao