The resistance to corrosion is comparatively poor for pressure-casting grid.
这是因为压力铸造正板栅抗腐蚀性能较差造成的。
Fire resistance design of large space grid structures by global analysis is studied.
讨论大型网架结构抗火整体分析中的温度加载模型。
Fire resistance design of large space grid structures by global analysis is studied.
讨论大型网架结构抗火整体分析中的温度加载模型。
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