Normal Closed

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˈnɔrməl kloʊzd/

Here, the theory and process of extended constraint logic programming are introduced, which broke normal closed system structure and built an open system with UML in software engineering.
Software and hardware methods are both proposed, and it is also concluded that normal open contacts have more interference failures than normal closed contacts during the running of the system.
Closed stirrup with flash butt welding method can not only avoid malpractices in normal closed stirrup construction, but also can improve construction quality & work efficiency with fewer steel materials.
The paper introduces the vacuum degassing fluid filling process for ABS and the control process for normal closed valves in ABS. It also estimates the operational time interval of vacuum degassing and fluid filling process.
A disc brake on oil drilling rig is a composite braking system composed of normal open braking calipers and normal closed braking calipers. Multiform safety protection and alarming functions are set for disc brake which provides multi-braking functions.

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