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关注：1
2013-05-23 12:21
求翻译：THE CONTRACTOR performs tasks of excavation and shoring lining of the walls of the excavation when you notice that the granular material can not maintain the verticality of the walls of the excavation.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
THE CONTRACTOR performs tasks of excavation and shoring lining of the walls of the excavation when you notice that the granular material can not maintain the verticality of the walls of the excavation.
问题补充： |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
