Birth control methods and principles 节育方法和原理
control principles and strategy 调控原则及措施
control thoughts and principles 控制思想和原则
Discussed are the method for measuring oil water interface, calculation formulas and control principles.
讨论了油水界面的测量方法,计算公式和控制原理。
The construction, function, and control principles of the ring gate are introduced, and the practical application is analyzed.
文中介绍了筒阀的结构特点、功能及控制原理等,并对其在现场的实际应用情况进行了分析。
Study on the structure and control principles of the platform stabilizing control mechanism of the modulating rotary steerable drilling tool was conducted.
深入研究了调制式旋转导向钻井工具中的稳定平台控制机构的结构原理和控制原理。
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