Allows faster, safer run-in using packing element that prevents swab-off forces.
—使用的密封材料可以避免抽吸力，更快、更安全地下入工具。
Packing element shoulder protection and large locking structure improves the properties of the packer.
封隔元件肩部保护结构和定位大锁块的采用，提高了封隔器的密封、坐封和解封性能。
Provides increased clearance and locked construction for faster, safer run-in with packing element locked against swab-off forces.
—间隙较大和锁定结构，方便快速、安全下入，密封元件避免抽吸力。
Since the gas bag is added, the pressure increase within the hydraulic chamber is very slight when the string collar passes through the packing element.
由于增加了气囊，管柱接箍通过胶筒时，液压腔内的压力升高很少。
In order to solve the problem concerning the contact-sealing theory for the common packing element, the design theory of "complete anti-extrusion" is put forward.
针对普通胶筒密封遵循接触式密封理论所存在的问题，提出了封隔器胶筒“完全防突”的设计理论。
In relation to an integrated circuit; a term that indicates small element size and high packing density.
集成电路技术中的一种修饰术语，表示元件体积小而且封装密度高。
By using ANSYS software as a development platform, finite element analysis and optimal design is made to some packing machinery parts.
以ANSYS软件为开发平台，对某包装机械的零件进行了有限元分析和优化设计。
The novel sealing element for the novel submerged pulse valve replaces original O-shaped packing washers, thereby guaranteeing the sealing performance between the pulse valve and air bags.
本实用新型用新型的密封件替代了原有的O型密封圈，从而保证了脉冲阀和气包之间的密封性能。
The novel sealing element for the novel submerged pulse valve replaces original O-shaped packing washers, thereby guaranteeing the sealing performance between the pulse valve and air bags.
本实用新型用新型的密封件替代了原有的O型密封圈，从而保证了脉冲阀和气包之间的密封性能。
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