couplings n. 垂综；联轴器；离合器, 磨擦器（coupling的复数） 释义与例句 n. 1. plural of coupling 相关短语 pathological couplings common couplings global couplings external couplings control couplings data couplings message couplings loose couplings Negishi couplings Storz couplings inductive couplings Suzuki couplings direct couplings capacitive couplings ratchet couplings