feedern.饲养者；进食者；供给者；输电线；分支；支流；支线驳船feeder brush馈电刷feederbeatern.喂入轮feeder buses接运公交feeder clamp馈线夹,馈电接线柱feeder cells饲养层细胞feeder steer菜牛feeder speed给料速度feeder grain饲用谷粒feeder house进给室feeder ratio供料机传动比