For the forcedcirculationsystem, 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。
2
Based on the operational principle of on/off slip of continuous-circulationsystem, the forced state of drill pipe was clarified.