coupling [couplings]+noun[UK: ˈkʌp.l̩.ɪŋ] [US: ˈkʌp.l̩.ɪŋ]
coupling-box+noun[UK: ˈkʌp.l̩.ɪŋ bɒks] [US: ˈkʌp.l̩.ɪŋ ˈbɑːks]
flexible coupling+[UK: ˈflek.səb.l̩ ˈkʌp.l̩.ɪŋ] [US: ˈflek.səb.l̩ ˈkʌp.l̩.ɪŋ]
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