automatic control 自动操纵; 自动控制；自动第; 自动控制自动调节; 自动控制自动控制器 automatic-control 自动控制 .
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自动控制器自动调节器 automatic controller
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.
在自动控制系统中调节阀的性能不仅直接影响自动化水平，而且也关系到机组的安全和经济运行。
The performance of regulating valves in the automatic control system not only directly effect the automation level, but also has a bearing on the safe and economic operation of generating units.
阐述了用PLC及其扩展单元实现合成氨厂造气炉制气过程的自动控制和入炉蒸汽的自动调节方法，并对该控制方式的节能效果进行了分析。
The method to control gas making furnace with PLC and its extend units as well as to regulate the steam is expounded in this paper.
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