短語(yǔ)詞組短語(yǔ)bwl belt work line 傳送帶工作線(xiàn)Conveyor Belt Production Line 皮帶輸送生産線(xiàn)belt -line theory 出油井間連線(xiàn)上最佳佈井的理論Belt production line 皮帶機(jī)生産線(xiàn);皮帶生産線(xiàn)Belt conveyor line 皮帶輸送線(xiàn)Belt of Line 腰帶belt work line 傳送帶工作線(xiàn)median belt dislocation line 中間帶位錯(cuò)線(xiàn) 返回 belt line