单选题Which of the following influences the position of the interface between the liquid seal and the oil in a purifier?（）AHeight of the machineBTemperature of the liquid sealCGravity discDBowl diameter
单选题
Which of the following influences the position of the interface between the liquid seal and the oil in a purifier?（）
A
Height of the machine
B
Temperature of the liquid seal
C
Gravity disc
D
Bowl diameter
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