现浇砼(GBF芯管)空心楼盖施工工艺-建筑工程论文-论文联盟 关键词:现浇砼空心楼盖;GBF管;建筑施工 [gap=733]Key words: cast-in-place hollow ceiling; GBF tube; construction
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gbf tube hollow gbf管
the high-strength thin-wall gbf tube gbf高强薄壁管
GBF thin-walled tube GBF薄壁管
gbf high-strength tube gbf高强复合管
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