问题
单项选择题
KTC切丝机的刀辊转速调节范围为（）r/min.
A、50～400
B、100～500
C、150～550
D、200～550
答案
参考答案：C
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KTC切丝机的刀辊转速调节范围为（）r/min.
A、50～400
B、100～500
C、150～550
D、200～550
参考答案：C
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