single feeder model 单支路馈线模型

coal single-direction feeder 单向给煤机

single-wire feeder [通信] 单线馈送线

single-spiral feeder 螺旋给矿机

single-roll feeder 单辊喂料机

single-line feeder 单路馈线

single-sheet feeder 单张纸分开续纸

Single bar feeder 单棒材送料机

single wire feeder 单线式馈线