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["12112 ( ( ( (3) Поверрние колеса и электрического двигателя не совпадены)

2017-08-17View Original

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本帖最后由 percy 于 2017-8-18 18:18 编辑 单选题 轴承泵发热的原因是润滑油不足、冷却水中断或不足、__。(常减压装置) (1)进料波动 (2) 运行时间长 (3)泵轴与电机轴不同心 答:(3)
Reply #22017-08-17
(3)泵轴与电机轴不同心
Reply #32017-08-17
(3)泵轴与电机轴不同心
Reply #42017-08-17
(3)泵轴与电机轴不同心
Reply #52017-08-18
(3)泵轴与电机轴不同心
Reply #62017-08-18
(3)泵轴与电机轴不同心

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