The feasibility was discussed for the use of Venturi tube and automatic exhaust valve for expelling air from siphon tube.
探讨了虹吸管利用文氏管及自动排气阀排气的可行性。
Tube bundle in the exhaust fan side , this structure is very convenient maintenance, and fan motor is always in the cold air environment, ensure a longe life of motor.
管束位于风机的排风侧、这种结构非常方便维护，并且风机电机始终处于较冷的空气环境中，电机寿命长。
Tube bundle in the exhaust fan side , this structure is very convenient maintenance, and fan motor is always in the cold air environment, ensure a longe life of motor.
管束位于风机的排风侧、这种结构非常方便维护，并且风机电机始终处于较冷的空气环境中，电机寿命长。
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