which statement is true concerning fuel vapors on a vessel?fuel vapors gather in thelowest portions of the vessel?谁能把问题和答案帮我翻译下了,

which statement is true concerning fuel vapors on a vessel?
fuel vapors gather in thelowest portions of the vessel?谁能把问题和答案帮我翻译下了,

问题：下列关于容器里燃料蒸汽的论述哪种是正确的? 答案：燃料蒸汽在容器的最底部聚集.