问题
单项选择题
某破碎机型号为4PGC-380/360×800，其中“800”的含义是（）
A、辊式
B、破碎辊长度
C、上段齿辊直径
D、轴长
答案
参考答案：B
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某破碎机型号为4PGC-380/360×800，其中“800”的含义是（）
A、辊式
B、破碎辊长度
C、上段齿辊直径
D、轴长
参考答案：B
| 阅读理解 | ||||||||||||
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