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关注:1
2013-05-23 12:21
求翻译:Concrete was placed using a customized slipform paving machine, which rides on two 136 RE rails, which are later used for the track.是什么意思?![]() ![]() Concrete was placed using a customized slipform paving machine, which rides on two 136 RE rails, which are later used for the track.
问题补充: |
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