The closed loop control of the stabilizing platform on the rotary steering drilling system is the key technique of the modulating rotary steering drilling system.
旋转导向钻井工具稳定平台的闭环控制是调制式旋转导向钻井系统的关键。
The device comprises the following parts: a control module, a modulating module, a sending module and a fiber fault position module. The invention reduces the cost of the fiber fault position system.
本发明通过使用具有光时域反射波长选择模块的光纤故障定位设备，具有了降低光纤故障定位系统投入成本的效果。
The device comprises the following parts: a control module, a modulating module, a sending module and a fiber fault position module. The invention reduces the cost of the fiber fault position system.
本发明通过使用具有光时域反射波长选择模块的光纤故障定位设备，具有了降低光纤故障定位系统投入成本的效果。
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