document.write("");
document.write("
");
document.write(" ");
document.write(" ");
document.write(" ");
document.write(" ");
document.write(" ");
document.write(" 同问:为什么非要激活才保修一年,不应该是无偿保修一年吗
");
document.write(" 如果可以设计一款可以消毒并一年再换刷头的牙刷就好了
");
document.write(" ");
document.write(" ");
document.write("");