automatic cop changer

"长度单位_馆档网 ... "自动换纬管器"," automatic cop changer" "自动卷纬机"," automatic cop winder" ...

cop-out是什么意思_cop... ... fly cop n. 便衣 automatic cop changer 自动换纡器 automatic cop-changing loom 自动换纡织机 ...

hanger... ... automatic can changer 自动换条筒装置 automatic cop changer 自动换纡装置 cascade heat exchanger 阶式热交换 …