Its advantages include simple structure, convenient operation and high threading speed.
本装置具有结构简单、操作方便、攻丝速度快、适用性广的特点。
The machine drive and unwind start simultaneously at threading speed. The bottom slitters are switched on.
复卷机传动和放卷同时以引纸速度启动。
Advantages of this invention are: simple structure, convenient operation, fast threading speed, great applicability, etc.
本装置具有结构简单、操作方便、攻丝速度快、适用性广的特点。
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