Any leak or failure results in loss of control line pressure, acting to close the safety valve and render the well safe.
任何的渗漏或损坏都将造成控制管线压力的损失，这时关闭安全阀并确保井的安全。
Methods 24 cases of patients with preoperative targeted psychological care, close observation of vital signs, pain changes, and actively control the blood pressure and pain.
方法对24例患者进行术前有针对性的心理护理，严密观察生命体征、疼痛变化，并积极控制血压和镇痛。
According to the characteristics of nonlinear, close coupling and multiple loop for coke oven collector pressure control systems, a new mixed control method is proposed.
针对焦炉集气管压力系统具有多回路、强耦合、非线性的特点，提出了一种综合控制算法。
Based on solenoid valve design theory, by estimating the maximum air pressure and spring force, a direct operated solenoid valve is designed to control the open and close of the air chamber.
通过估算空气腔中的最大气体压力和回位弹簧的拉力，基于电磁阀设计基本原理，设计开发了一直动式电磁阀用于控制空气腔的开闭；
Based on solenoid valve design theory, by estimating the maximum air pressure and spring force, a direct operated solenoid valve is designed to control the open and close of the air chamber.
通过估算空气腔中的最大气体压力和回位弹簧的拉力，基于电磁阀设计基本原理，设计开发了一直动式电磁阀用于控制空气腔的开闭；
应用推荐