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对于带速较低的带传动,其带轮材料多为灰铸铁
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对于带速较低的带传动,其带轮材料多为灰铸铁
A、正确
B、错误
时间：2021-09-01 21:39
关键词：
青书学堂
河北建筑工程学院
机械设计（高起专）
答案解析
A
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对于带速较低的带传动,其带轮材料多为灰铸铁
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