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【多选题】
以下关于冷却液大循环的描述中,正确的有( )A.
发动机冷却液温度高于75℃时，散热器将直接通往水泵的小循环通道关闭；
B.
从缸盖水套流出的冷却液全部进入散热器进行散热；
C.
散热后的冷却液由水泵送到缸体水套外部进行循环；
D.
由于经过散热器散热，可迅速下降发动机冷却液温度；
E.
避免发动机过热。
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B.
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C.
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D.
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B.
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C.
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D.
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A.
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C.
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D.
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