A lube oil sample taken from the main engine lube oil system has dark yellow opaque color.This is the result of （）
- Awater contamination
- Bmixing oils of two widely different viscosities
- Coverheating
- Daeratio
问题
A lube oil sample taken from the main
参考解析：
分类：船舶电气与船舶安全题库
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