正确答案: B

B．煤油

题目：在船上拆下来的针阀偶件应该用（）浸泡清洗。

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学习资料的答案和解析：

[单选题]Two important considerations for the proper lubrication of a diesel engine include the delivery of the oil in sufficient amount and the （）.

quality of the oil

[单选题]Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.

heated to reduce viscosity