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关注：1
2013-05-23 12:21
求翻译：4）中空锚杆施工是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
4）中空锚杆施工
问题补充： |
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2013-05-23 12:21:38
4) Construction of hollow bolt
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2013-05-23 12:23:18
4) hollow shank construction
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2013-05-23 12:24:58
4) spatial anchor rod construction
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2013-05-23 12:26:38
4) hollow anchor construction
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2013-05-23 12:28:18
After the anchor rod installs does not have to rap at will, its nose within 3 days does not have to be hanging the heavy item.
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