工业自动化仪表用模拟气动信号
Analogue pneumatic signal for industrial-process measurement and control instruments

2008-06-30

工业过程控制用电动和气动输入输出模拟信号调节器 性能评定方法
Methods of evaluating the performance of electrical and pneumatic controllers with analogue input and output signals for use in industrial process control

1999-08-06

工业过程测量和控制系统用电动和气动模拟计算器性能评定方法
Methods of evaluating the performance of electrical and pneumatic analogue computing unit for use in industrial process measurement and control systems

2012-06-29