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关注：1
2013-05-23 12:21
求翻译：渐开线圆柱齿轮精度标准》是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
渐开线圆柱齿轮精度标准》
问题补充： |
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2013-05-23 12:21:38
Involute Cylindrical Gear Accuracy Standards. "
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2013-05-23 12:23:18
cylindrical gears is becoming more open line of precision standards
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2013-05-23 12:24:58
Involute cylindrical gears precision standard"
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2013-05-23 12:26:38
Standards of accuracy of involute cylindrical gears
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2013-05-23 12:28:18
Standards of accuracy of involute cylindrical gears
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