feed in输入feedvt.喂养；饲养；靠 ... 为生；向 ... 提供vi.吃饲料；进餐n.一餐；饲料；饲养feed-water injector喷水器feeding for fattening给肥育饲料feed grade zinc oxide饲料级氧化锌feed and servo system伺服系统feed forward function前馈函数feeding transformator电源变压器feeding steel control上钢控制feed bar lifting fork送布杆升降叉feed - back braking再生制动feedforward structure前向结构