bulbn.球茎;电灯泡;球状物
bulb type turbine generator set灯泡型机组
bulbus venae jugularis inferior颈静脉下球
bulbar roots of accessory nerve副神经延髓根
bulb turbine hydropower station灯泡贯流式水电站
bulbus venae jugularis superior颈静脉上球
Bulbus Fritillariae Ussuriensis平贝母
Bulbochaete elatior f. pumilan.较高毛鞘藻矮型变型
bulb turbine and generator unit灯泡贯流式水轮发电机组