阐述了压力输水管道高点排气与虹吸利用的矛盾关系，并列举了排气问题的解决措施，提出以采用安全阀的组合排气装置解决该问题。
The solving measures for exhaust problem are listed, and the combined exhaust device using safety valve is put forward to solve this problem.
阐述了压力输水管道高点排气与虹吸利用的矛盾关系，并列举了排气问题的解决措施，提出以采用安全阀的组合排气装置解决该问题。
The solving measures for exhaust problem are listed, and the combined exhaust device using safety valve is put forward to solve this problem.
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