- GB/T 50770-2013 石油化工安全仪表系统设计规范(英文版)
- 中华人民共和国住房和城乡建设部
- 30字
- 2021-04-20 11:17:50
2.1.18 Final element
A component of safety instrumented system,which is used to execute the commands or specified actions of logic solvers to keep the process in safe state.