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防凍液具有一定的保護作用,具體作用有哪些?

  汽車發動機使用防凍液有一定的保護作用,具體作用有

  1.對冷卻系統的部件起到防腐保護作用。

  2.防止水垢,避免降低散熱器的散熱作用。

  3.保證發動機在正常溫度范圍之內能工作。

  因此,發動機的防凍液,必須具有防凍、防開鍋、防腐蝕、防水垢、無泡沫的特點,并不受季節及地域的影響。其中,冰點和沸點是防凍液的基本指標。


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