电冰箱内有照明灯,控制它的开关在打开冰箱门时闭合,使灯发光;当冰箱门关闭时,此开关处于断开状态,灯不发光,我们把这种开关叫做"门控开关",用"-门控开关-"表示.电冰箱背
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 10:34:42
![电冰箱内有照明灯,控制它的开关在打开冰箱门时闭合,使灯发光;当冰箱门关闭时,此开关处于断开状态,灯不发光,我们把这种开关叫做"门控开关",用"-门控开关-"表示.电冰箱背](/uploads/image/z/6988581-45-1.jpg?t=%E7%94%B5%E5%86%B0%E7%AE%B1%E5%86%85%E6%9C%89%E7%85%A7%E6%98%8E%E7%81%AF%2C%E6%8E%A7%E5%88%B6%E5%AE%83%E7%9A%84%E5%BC%80%E5%85%B3%E5%9C%A8%E6%89%93%E5%BC%80%E5%86%B0%E7%AE%B1%E9%97%A8%E6%97%B6%E9%97%AD%E5%90%88%2C%E4%BD%BF%E7%81%AF%E5%8F%91%E5%85%89%EF%BC%9B%E5%BD%93%E5%86%B0%E7%AE%B1%E9%97%A8%E5%85%B3%E9%97%AD%E6%97%B6%2C%E6%AD%A4%E5%BC%80%E5%85%B3%E5%A4%84%E4%BA%8E%E6%96%AD%E5%BC%80%E7%8A%B6%E6%80%81%2C%E7%81%AF%E4%B8%8D%E5%8F%91%E5%85%89%2C%E6%88%91%E4%BB%AC%E6%8A%8A%E8%BF%99%E7%A7%8D%E5%BC%80%E5%85%B3%E5%8F%AB%E5%81%9A%26quot%3B%E9%97%A8%E6%8E%A7%E5%BC%80%E5%85%B3%26quot%3B%2C%E7%94%A8%26quot%3B-%E9%97%A8%E6%8E%A7%E5%BC%80%E5%85%B3-%26quot%3B%E8%A1%A8%E7%A4%BA.%E7%94%B5%E5%86%B0%E7%AE%B1%E8%83%8C)
xT[OA+DVv>[//hf"UP0MAP#
i-h"?<:J%1<29s~/;Yp?ƥ[")qS'AM4'BMROuҍR H!7=J";$DDSWFneۭ_qһvfޡ{'휓Dize-|-?y8缯[mFz9.L/hdΠkvlZ$vOJuJIn~@җ@%ڢIG
d6IT>o*)4UӰ;^j#AA;鮛?f3*_$b`vzLOr/n{vSF [U>;MI蜼_&8Cd
~MUm~2E^"p,
`Zx(̾N d 6Z\uCP eS"D( " CyND*00o"T1Qh Y1y$)&Ll