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關注：1
2013-05-23 12:21
求翻譯：兩個齒輪的材料都選為45鋼 ，硬度為240HBS是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
兩個齒輪的材料都選為45鋼 ，硬度為240HBS
問題補充： |
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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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