If the well has been closed with the use of ram BOPs, the tool joints will not pass by the closed ram element.
如果使用了闸板型防喷器去关闭井眼，则工具接头就不能够通过关闭的闸板元件。
The circuit is divided into full bridge module, charge sense amplifier module, correlated double sampling and holding module, closed-loop feedback module, low-pass filter and time controlling module.
检测电路分为全桥平衡模块、电荷放大器模块、信号放大模块、相关双采样模块、采样保持模块、闭环反馈模块、低通滤波模块和数字时序控制模块。
The rolling process of closed-cell aluminum foam that was prepared by melt-foaming process was studied, as well as its deformation and failure behavior due to different pass reduction.
研究了采用熔体发泡法制备的闭孔泡沫铝材料的轧制过程，分析了不同道次压下量条件下泡沫铝的变形特点与破坏方式，探讨了影响泡沫铝轧制能力的主要因素。
Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.
利用计算出来的速度反馈构成了速度闭环系统，并采用低通滤波方法减小误差，同时应用了零矢量调制控制法减小转矩脉动，提高了整个系统的控制性能。
The results showed that in the rolling process of closed-cell aluminum foam the basic principle is multiple pass with small deformation, eg.
结果表明：闭孔泡沫铝的轧制应遵循多道次、小变形的原则。
The results showed that in the rolling process of closed-cell aluminum foam the basic principle is multiple pass with small deformation, eg.
结果表明：闭孔泡沫铝的轧制应遵循多道次、小变形的原则。
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