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【单选题】
过量空气系数是指?A.
指燃烧3kg燃料实际供给的空气量L与理论空气量L0的比值。
B.
指燃烧1kg燃料实际供给的空气量L与理论空气量L0的比值。
C.
指燃烧1kg燃料实际供给的空气量L与理论空气量L0的差值。
D.
指燃烧1kg燃料实际供给的空气量L与理论空气量L0的乘积。
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A.
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B.
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C.
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D.
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catch
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A.
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D.
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A.
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B.
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