问题
单项选择题
在冬季，为了防止柴油机冻裂，应用（）作为冷却介质。
A.沸水
B.防冻液
C.电瓶水
D.柴油
答案
参考答案：B
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在冬季，为了防止柴油机冻裂，应用（）作为冷却介质。
A.沸水
B.防冻液
C.电瓶水
D.柴油
参考答案：B
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