考试
1970-01-01 08:00:00

【单选题】 The inner bottom is the【

题目描述

【单选题】 The inner bottom is the【】.

Atank top

Bcompartment between the tank top and shell of the vessel

Cinner side of the vessel's shell

Dspace between two transverse bottom franges

答案解析

A

A

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