过程控制系统通常是一个调节器。然而一个复杂的过程控制系统可能包含好几个被称为伺服机构的装置。
A process-control system is often a regulator. However, a complicated process-control system may possibly contain several devices which could be defined as servo-mechanisms.
显然，这一调节过程只有通过电压的自动调节装置才能实现。
This regulating course can be realized only through the automatic voltage regulation device.
焊接自动控制装置采用微机实现焊接过程控制，完成引弧、焊接、熄弧控制及弧压自动调节和焊缝自动跟踪。
Welding control device adopts microcomputer for process control, arc striking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.
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