... 高空[天气]图 upper-level chart; upper-level weather chart 直柱；正浮 upright 上游锚 upstream anchor ...
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一个轴心受压的直柱是没有剪力的。
There is no shear force in a straight column exposed to an axial compression.
这些使直柱和重力框架梁的使用成为可能，因简单而显得清晰。
These enable use of a straight forward post and beam gravity frame, immediately legible in its simplicity.
创造性的采用“螺纹型”玻璃封接孔代替现有的“直柱型”和“台阶型”玻璃封接孔，产品耐压和耐泄漏性能相应提高1倍。
Creative use "thread" type glass sealing hole instead of existing "straight pillar" and "steps" type glass sealing hole, the product compression resistance and leakage performance increase 1 times.
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