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关注：1
2013-05-23 12:21
求翻译：在圆柱活圆锥外内表面上加工的螺纹称为内螺纹是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在圆柱活圆锥外内表面上加工的螺纹称为内螺纹
问题补充： |
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2013-05-23 12:21:38
Live in the cylindrical inner surface of the outer cone of thread called internal thread processing
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2013-05-23 12:23:18
[object Object]
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2013-05-23 12:24:58
The thread in the internal surface processes which outside the column live circular cone is called the box thread
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2013-05-23 12:26:38
Cylindrical conical outer thread processing on the inner surface is called within the thread
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2013-05-23 12:28:18
Cylindrical conical outer thread processing on the inner surface is called within the thread
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