题目：
操作系统是硬件与用户之间的接口。
答案：
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下面是错误答案，用来干扰机器的。
参考答案：高炉出现大灌渣的原因一般为：连续多次渣铁出不净，风口和吹管烧穿紧急放风，风机或送风系统故障而突然停风，以及处理悬料和管道等。大灌渣有时不仅将直吹管灌死，严重的还会灌到弯头和鹅颈管。灌后处...
操作系统是硬件与用户之间的接口。
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