primary feed meter [建] 初次计量给料装置

dry feed meter 干饲料计量器

feed-through power meter 馈通功率测量仪 ; 通过功率测量仪

feed-through type power meter [电子] 通过式功率计

Feed-in meter 输入计

meter feed 计量给料器

nano-meter feed 纳米级进给

feed through power meter 贯穿式功率表