normally closed英语标准发音:normally closed英式发音:美式发音:翻译中文常闭式normally closed - 基本释义[词典1]正常关闭的,静合的normally closed - WEB词典normally closed常闭常闭型常关的normally-closed gate常闭门normally-closed circuit翻译 参考资料: 1.百度翻译:normally closed2.有道词典:normally closed3.爱词霸:normally closed