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关注：1
2013-05-23 12:21
求翻译：有压隧洞渐变段的圆锥角以采用6°～10°为宜是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
有压隧洞渐变段的圆锥角以采用6°～10°为宜
问题补充： |
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2013-05-23 12:21:38
Pressure tunnel transition section of the cone angle to the use of 6 ° ~ 10 ° is appropriate
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2013-05-23 12:23:18
There is a pressure gradient of tunnel conical point to use the appropriate 6 ° ~ 10°
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2013-05-23 12:24:58
Has the pressure tunnel gradation section coning angle take to use suitably 6°~10° as
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2013-05-23 12:26:38
Pressure tunnel in transition section of cone angle of 6 ° ~10 ° suitable
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2013-05-23 12:28:18
Pressure tunnel transition section of the cone angle to the use of 6 ° ~ 10 ° is appropriate
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