manifoldn.多种；复印本；多支管adj.多种的；多方面的v.复写；繁殖；增多manifold effect多效应manifold ranking流行排序manifold exhaust歧管排气manifold chamber混合室manifold product流形积manifold heating进气歧管加热manifold fitting岐管接头manifold element流形元manifold leaming流形学习manifold printer复印机