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["【펌프 기술판 하루 한 문제】2", "동형 균중不仅能校正()不平衡量, "동형 귘중不仅能校正(력" "동형 귘중还能校正 " "력偶" pérdida

2020-02-09View Original

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99.动平衡试验不仅能校正()不平衡量,不能校正()不平衡量   A、材质、重量   B、转子、叶轮   C、力、力偶 昨天98题答案C98.机械密封工作时,动环和静环间会形成一层液体膜,这层液体膜可以密封,润滑和(C)。 A、冷却 B、承受载荷 C、平衡压力 (次日公布前一天答案,公布前答对奖励10财富,公布后答对奖励5财富,参与奖励3财富)
Reply #22020-02-10
C 动平衡试验不仅能校正(力)不平衡量,还能校正(力偶)不平衡量。

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