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关注:1
2013-05-23 12:21
求翻译:• The cross section of the welding cable extension must be equal to the cross section of the tubing set (50 m2).是什么意思?![]() ![]() • The cross section of the welding cable extension must be equal to the cross section of the tubing set (50 m2).
问题补充: |
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