进线喇叭口的英文

• entrance bell

• 进线:    coil in; inlet wire; incomin ...
• 喇叭口:    bellmouthing; hydraucone
• 喇叭口:    bell mouth; bm; flare opening; flared; fork horn; funnel; horn mouth; mouth of a horn; mouth of horn; mouthing; negative delta; pipe socket; spigot; stream shaper; suck-in; trough; trumpet
• 双曲线喇叭:    hyperbolic horn
• 无线喇叭:    wireless speakers