您还可以包括诸如流或在系统pH值等工艺变量。
You can also include other process variables like flow or pH in the system.
与工艺变量有关的一次仪表、检测、控制、联锁保护由仪表专业负责。
And process variables related to an instrument, detection, control and interlock protection professional responsible for the instrument.
施加在零件上的气压没有直接受控，将根据 工艺变量和零件容积变化。
The gas pressure supplied to the part is not directly controlled and will vary depending on process variables and part volume.
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