burr的精選

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用“burr”造句大全，burr造句

用“burr”造句大全，burr造句

2017-06-08
ApplicationsofremovingburrofskeletonbasedonPCNNTheformationandcriticalconversionofthecutting-directionburrCuttubeendsquare.Ream,burrandsize.4.Reasonsandinfluencingfactorsofmetalburrformationarediscuss...