单选题
1分
Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varni...
Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varnish to form on the engine parts?
参考答案: C
参考解析: 注:向柴油机滑油添加抑制剂,可以减少柴油机部件上油泥和清漆状沉淀物的形成。