飞兆半导体的21型是一种可调比气动继电器，即输出的压力信号的压力比是无限可调。
Fairchild's Model 21 is an adjustable ratio Pneumatic Relay, whereby the ratio of output pressure to signal pressure is infinitely adjustable.
飞兆半导体的1500a型继电器输出是春天偏见总和，与范围螺丝集，加上气动输入信号。
The output of the Fairchild Model 1500a relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal.
飞兆半导体的1500a型继电器输出是春天偏见总和，与范围螺丝集，加上气动输入信号。
The output of the Fairchild Model 1500a relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal.
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