couplings的精選

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用“couplings”造句大全，couplings造句

用“couplings”造句大全，couplings造句

2017-03-26
Adirectmethodforfindingtheintegrablecouplingsisproposed.WearespecializedintheproductionofCamlockcouplings,Airhosecoupling,Guillemincouplings,Doubleboltclamp,Spiralclamp,superiorclamp.Etc.AnalysisandCa...