Type 37TF includes an internal resistor wired in parallel with the contacts which serves as an aid to factory circuit testing where the contacts are open at room temperature.
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释义
型号37TF包括有一个内部电阻,这个电阻与(一对)触点并联连接,这对触点对出厂前的电路检测能提供帮助,在室温下,这对触点是断开的。
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