阐述了可移动式手柄控制系统的原理。
It states the principle of the moveable handle control system.
摘要：为了提高场桥操作和检查维修的安全性，建立了一个可移动式手柄控制系统。
Abstract: in order to raise the safety of the gantry crane for operation and maintenance, a moveable handle control system has been manufactured.
操纵手柄，含功能键及速度控制系统，多功能的三坐标控制手柄。
Joystick with control keys and speed control system. Multi functional and comprehensive CMM operation unit.
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