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Nautical
containing
主 面
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主坐标平面
principle coordinate planes
扶强材或主要支撑构件净剪切横剖面积A
sh
A
sh
(cm
2
)
普通扶强材或主要支撑构件连同宽度 b
p
带板的净剖面模数
Z
(cm
3
)
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