问题描述：
[单选]
The machine has stopped rotating because the bearing（）the shaft．
A．seized
B．clogged
C．melted
D．inserted
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答案解析：无
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答案解析：无
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上一篇：The main bearing metal is a lining（）．
下一篇：The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in（）while that for latter one is（）．
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