混合料经过加热返矿预热，料中的燃料相应地（）。A.增加 B.不变_爱下问搜题

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问题单项选择题

混合料经过加热返矿预热，料中的燃料相应地（）。

A.增加

B.不变

C.减少

答案

参考答案：A

选择题

(2013·东北三省四市一模)—Linda, you couldn't have chosen a much better present for me.

—________

A．Oh, it can't be helped.

B．I'm glad you like it so much.

C．That's all right.

D．It's nothing, isn't it?

问答题简答题

简述分析自动小车导向方法，各有何特点。