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关注:1
2013-05-23 12:21
求翻译:1) Drawing about the layout of pre-stressed strand, such as the number, pre-tensioned force, angle, length and so on.是什么意思?![]() ![]() 1) Drawing about the layout of pre-stressed strand, such as the number, pre-tensioned force, angle, length and so on.
问题补充: |
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