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關(guān)注:1
2013-05-23 12:21
求翻譯:鋼梁耐火極限達(dá)到1.5小時是什么意思?![]() ![]() 鋼梁耐火極限達(dá)到1.5小時
問題補(bǔ)充: |
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2013-05-23 12:21:38
Steel beam fire resistance up to 1.5 hours
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2013-05-23 12:23:18
Beams 1 hour fire-rated to
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2013-05-23 12:24:58
The steel girder fireproof limit amounts to for 1.5 hours
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2013-05-23 12:26:38
Steel beam fire resistance up to 1.5 hours
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2013-05-23 12:28:18
steel beams at 1 hour fire-rated;
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