题目内容
(请给出正确答案)
[主观题]
The abbreviation for butyl rubber is ().
提问人:网友einsteinkobe
发布时间:2022-01-07
A. metacentric height
B. height of the metacenter above the keel
C. height of the center of buoyancy above the keel
D. height of the center of gravity above the keel
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