常見例句雙語例句KA3 is shunt-down alarm relay.KA3爲(wèi)停機(jī)報警繼電器。An essential function of the controller is to provide alarm relay contacts.控制器的一個重要功能是提供報警繼電器觸點。www.e-gtm.com.cnRelay KA1 and KA7: transformer overheating alarm relay or gas relay is selectable based on customer demands.繼電器KA1、KA7:根據(jù)用戶需要可選變壓器油溫超溫報警繼電器或瓦斯繼電器。 返回 alarm relay