These can be used as part of a safety instrumented system.
这些可以作为安全设备系统的组成部分。
It is very important for the design of safety instrumented system in petrochemical engineering.
仪表系统的设计在石化工程设计中显得尤为重要。
It is very important for the design of safety instrumented system in petrochemical engineering.
仪表系统的设计在石化工程设计中显得尤为重要。
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