Viscous fan drive operation is not affected by small oil stains near the drive bearinIf leakage appears excessive, replace the fan drive unit.是什么意思_Viscous fan drive operation is not affected by small oil stains near the drive bearinIf leakage appears excessive, replace the fan drive unit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句