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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 船舶及其结构 > 船舶强度

单项选择题

The pillar shape that gives the greatest strength for the least weight is the（）.

A.octagonal pillar
B.H Beam pillar
C.I Beam pillar
D.circular type pillar

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