The design defect was found on the fixed sealing gasket in the guide valve of the operating mechanism.
经故障分析，并在制造厂家指导下解体检查发现该操动机构分合闸导向阀的固定密封垫存在设计上的缺陷。
The design defect was found on the fixed sealing gasket in the guide valve of the operating mechanism.
经故障分析，并在制造厂家指导下解体检查发现该操动机构分合闸导向阀的固定密封垫存在设计上的缺陷。
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