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关注:1
2013-05-23 12:21
求翻译:When the walkway is usually subject to passage or crossing of several persons simultaneously , the min unobstructed width shall be 1000mm是什么意思?![]() ![]() When the walkway is usually subject to passage or crossing of several persons simultaneously , the min unobstructed width shall be 1000mm
问题补充: |
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