顏色

來源: 於 2016-01-08 11:45:30 [舊帖] [給我悄悄話] 本文已被閱讀：次

The color of healthy engine coolant is green (for ethylene glycol) or orange (for Dexcool). A rusty color indicates that the rust inhibitor in the coolant has broken down and it can no longer control rust and scale buildup