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2017-07-24View Original

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user pérdida
Reply #22017-07-24
user pérdida
Reply #32017-07-24
user ["2 2 2017年7月24号练题,回复可得6分(发帖后回复不评分,谢谢回复", "判断判断题 装置在开工过程中,各塔底泵要定期切换。答:对", "对 各类泵自身也要有特性分析,定期的换泵可以很好的知道泵的各项指标。 2切换泵是一个对于工况的磨合,很多的设备都是要有一个在流程中的磨合期。 3对于转动设备的定期效率和寿命来说,定期的休息和转动和保养都是必须, 所以合理的切换泵是一个运行企业必须的。 " "装装置在开工过程中,各塔底泵要定期切换。(V)"]

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