Crude oil washing of cargo tanks has the following advantages except for ()
A. reducing the erosion of the cargo tanks
B. increasing the total quantity of oil to carry
C. reducing the quantity of water contained in oil
D. reducing cargo discharged time
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论证是可行性研究(分析)报告的核心,是结纶和建议赖以产生的基础同。
A. 正确
B. 错误
在标志、标线齐全的高速公路上行车,应当按照什么规定的车道和车速行驶?