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防火门演示门1门2门3门4火警启动火警复位function door1() {var a= document.getElementById("g");if (a.getAttribute("src") == "https://i.loli.net/2019/10/14/N2q7AICD4ylV1Le.jpg") {a.setAttribute("src", "https://i.loli.net/2019/10/14/mYOy6dTIkivotnR.jpg"); } else { a.setAttribute("src", "https://i.loli.net/2019/10/14/mYOy6dTIkivotnR.jpg"); }}function door2() {var a= document.getElementById("g");if (a.getAttribute("src") == "https://i.loli.net/2019/10/14/N2q7AICD4ylV1Le.jpg") {a.setAttribute("src", "https://i.loli.net/2019/10/14/I5Mc8oAUGVXgyz6.jpg"); } else { a.setAttribute("src", "https://i.loli.net/2019/10/14/I5Mc8oAUGVXgyz6.jpg"); }}function door3() {var a= docume...