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高速、重载并在冲击载荷下工作的齿轮传动，选用（）最合适。

A、碳钢或合金钢调质

B、中碳合金钢渗碳淬火

C、中碳钢高频淬火

D、低碳合金钢渗碳淬火

时间：2022-01-09 22:10 关键词：齿轮、蜗杆、液力传动轮机工程大学试题工学

答案解析

D

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