问题
单项选择题
为保护废气涡轮增压器，柴油机停机时需将水温、油温降到（）以下。
A.75℃
B.60℃
C.80℃
D.40℃
答案
参考答案：A
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为保护废气涡轮增压器，柴油机停机时需将水温、油温降到（）以下。
A.75℃
B.60℃
C.80℃
D.40℃
参考答案：A
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