The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the（）<br>A:rated capacity of that purifier<br>B:viscosity of the oil being purified<br>C:maximum design speed of that purifier<br>D:specific gravity of the oil being purified

The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the（）
A:rated capacity of that purifier
B:viscosity of the oil being purified
C:maximum design speed of that purifier
D:specific gravity of the oil being purified

出自：海船船员证

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