n.倒棱
The electro-hydraulic servo system and motor-servo system for the chamfering feed control were separately illuminated. 根据不同的进给伺服系统阐述了倒棱机进给控制的电机伺服系统和电液伺服系统结构。
The structure characteristics of the plain-end chamfering machine for stell pipe ends are described. 介绍了钢管端面平头倒棱机的设备结构特点。
