When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.<br>A:either；or<br>B:neither；nor<br>C:such；that<br>D:so；that

When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.
A:either；or
B:neither；nor
C:such；that
D:so；that

出自：海船船员证

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