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关注：1
2013-05-23 12:21
求翻译：两个齿轮的材料都选为45钢 ，硬度为240HBS是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
两个齿轮的材料都选为45钢 ，硬度为240HBS
问题补充： |
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2013-05-23 12:21:38
Two gears are selected as the material hardness of 45 steel 240HBS
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2013-05-23 12:23:18
Two gear materials are selected for steel hardness is 45 240 HBS
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2013-05-23 12:24:58
Two gear materials all elect are 45 steel degree of hardness are 240HBS
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2013-05-23 12:26:38
Two gear materials were selected for 45 steel hardness is 240HBS
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2013-05-23 12:28:18
The materials of two gears are both elected as 45 steel The hardness is 240HBS
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