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[Daily Question] Basic Process Knowledge (Multiple Choice) 20200402

2020-04-02View Original

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In normal production, the main reasons for the failure of the vacuum water seal are (A, B, D). A. The inverted U-shaped tube in the water seal tank has been punctured, resulting in no siphoning action or a blockage. B. The drainage control valve of the water seal tank is malfunctioning. C. The temperature at the top of the tower is too high. D. The vent line of the water seal tank is blocked or the oil inside it has frozen

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