normally open英语标准发音:normally open英式发音:美式发音:翻译中文常开normally open - 基本释义[词典1]静开的,原位断开的;正常开放normally open - WEB词典Normally open常开正常断开的通常是打开的常开型Normally y open valve常开阀normally y open interlock工子点 参考资料: 1.百度翻译:normally open2.有道词典:normally open3.爱词霸:normally open