viscosity is temperature dependent. There is nothing to do with 石蜡
This is not correct: "气温太低,机油里的少量石蜡冻结,使机油变得太稠"
所有跟帖:
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温度降低当然引起粘度上升,但是
-原野青蛙-
♀
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11/17/2012 postreply
13:38:36