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2013-05-23 12:21
求翻译：Bearings and their lubrication system must be selected for heavy and aggressive duty. They must be designed for non-stop operation with temperature not exceeding 77 oC.是什么意思？ 待解决
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Bearings and their lubrication system must be selected for heavy and aggressive duty. They must be designed for non-stop operation with temperature not exceeding 77 oC.
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