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关注:1
2013-05-23 12:21
求翻译:The Douglas pit bottom work program provided an opportunity to trial methods to place and cement casing into medium length holes是什么意思? 待解决
悬赏分:1
- 离问题结束还有
The Douglas pit bottom work program provided an opportunity to trial methods to place and cement casing into medium length holes
问题补充: |
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