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關注:1
2013-05-23 12:21
求翻譯:2.The system has the big noise when 60% above load work, has surpassed 60 dB , when the full load has even amounted to 90 dB.是什么意思?![]() ![]() 2.The system has the big noise when 60% above load work, has surpassed 60 dB , when the full load has even amounted to 90 dB.
問題補充: |
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