For the forced circulation system, to avoid the excessive values of circulation water dynamic, every water cooling tube must be mounted throttle plate in the design.
对于强制循环系统，为了避免循环水动力的多值性，设计均要求在每一根水冷壁管设置节流孔板。
Based on the operational principle of on/off slip of continuous-circulation system, the forced state of drill pipe was clarified.
从钻井连续循环系统上卸扣卡瓦的工作机理入手，弄清了钻杆工作时的受力状态。
Based on the operational principle of on/off slip of continuous-circulation system, the forced state of drill pipe was clarified.
从钻井连续循环系统上卸扣卡瓦的工作机理入手，弄清了钻杆工作时的受力状态。
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