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【单选题】
适当增加三相绕线式感应电动机转子电阻 时,电动机的_____________。A.
减少, 增加
B.
增加, 增加
C.
减少, 减少
D.
增加, 减少
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
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A.
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B.
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C.
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D.
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E.
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F.
术前晚行清洁灌肠
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