当前位置：在线题库搜索＞[单选题]发动机润滑系中润滑油的正常油温为( )。的答案是什么？
问题：
[单选题]发动机润滑系中润滑油的正常油温为( )。
A、40~50℃
B、50~70℃
C、70~90℃
D、大于95℃
参考答案：
D
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