The pillar shape that gives the greatest strength for the least weight is the（）.<br>A:octagonal pillar<br>B:H Beam pillar<br>C:I Beam pillar<br>D:circular type pillar

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

出自：海船船员证

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