contrnl
基本解释
- 控制
英汉例句
- Position contrnl System
位置控制系统 - s: Steerable rotary closed - loop is very complex.By closed - loop contrnl of downhole and its own adjusting, the drill bit goes ahead along the pre - planed profile during entire drilling procedure.
井下自动控制定向旋转闭环钻井系统是指全程旋转、井下闭环控制，钻头沿着设计轨迹钻进，它是个非常复杂的系统。