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关注:1
2013-05-23 12:21
求翻译:研究固体润滑、气体润滑、自润滑技术是什么意思?![]() ![]() 研究固体润滑、气体润滑、自润滑技术
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2013-05-23 12:21:38
Of solid lubricant, gas-lubricated, self-lubricating technology
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2013-05-23 12:23:18
Research solid lubricants, gas lubrication, self-lubricating technology
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2013-05-23 12:24:58
Research solid lubrication, gas lubrication, self lubrication technology
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2013-05-23 12:26:38
Study on solid lubricating, gas-lubricated, self-lubrication technology
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2013-05-23 12:28:18
Study solid lubricate, gas lubricate, lubricated technology since
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