问题描述：
[单选]
When reassembling the bowl of a disk-type centrifuge， the bowl or locking ring is rotated（）．
A．clockwise, due to the bowl rotating clockwise
B．clockwise, due to the bowl rotating counterclockwise
C．counterclockwise, due to the bowl rotating clockwise
D．counterclockwise, due to the bowl rotating counterclockwise
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答案解析：无
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