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关注:1
2013-05-23 12:21
求翻译:the electrical equipment is Class 1 Division 2 at floor to 450mm above and at ceiling to 450mm below.是什么意思?![]() ![]() the electrical equipment is Class 1 Division 2 at floor to 450mm above and at ceiling to 450mm below.
问题补充: |
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