描述
在温度调节系统中,由于容量滞后太大,有时积分时间要用在15min以上。对于P值(比例度),当量程范围小或调节阀尺寸选得较大时,P值(比例度)可选得大一些。
J B 70 INTRAORAL X-RAY SYSTEM THAT IS SMARTER
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