介绍了一种西门子公司生产的带编程的超小型可编程控制器LOGO ！用于大楼消防控制柜的设计方案。
A mini PLC LOGO! With programming, which is produced by Siemens Company, was introduced for the design scheme of a building fire control cabinet.
板形平坦度自动控制系统是板带材冷连轧机过程控制系统的重要组成部分。
Flatness automatic control system is an important part of process control system of sheet or strip continuous cold rolling mill.
带远程控制装置的两阶段减压阀。
Two-stage pressure relief valve with provision for remote control.
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