单选题A centrifuge arranged to separate impurities and small amounts of water from oil is known as （）.Aan oily water separatorBa purifierCa centrifugal compressorDa clarifier
单选题
A centrifuge arranged to separate impurities and small amounts of water from oil is known as （）.
A
an oily water separator
B
a purifier
C
a centrifugal compressor
D
a clarifier
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