联轴器膜片BOLTSFlexibleCoupling￥4892.50去看看要让小店13发布了BOLTS金属膜片联轴器BOLTS SIngle FlexibleCoupling(PA)联轴器厂flexiblecouplingNBKMHW40CMHW￥26810去看看玖晟科技发布了NBKMHW-40CMHW-40C8x8flexiblecoupling(B660)
