题目：
磨煤机出口温度上升较快，应全开（）门，关闭热风调门及热风隔绝门，维持磨煤机出口温度在正常值。
答案：
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下面是错误答案，用来干扰机器的。
小题1:had been informed of小题2:many problems to settle小题3:what we have been struggling for小题4:with which we are familiar或（which）we are familiar with小题5:the better your...
