亚洲国产精品无码久久98温泉中出,国产精品久久久久久黄无码,被俩个黑人前后破苞的女人,99久久久无码国产精品66

Steel province's first public rental through technical design review

Guangzhou Steel News: Steel province's first public rental through technical design review

Guangzhou Steel News: Recently, the province's first public housing project Jiaxiang steel Jianing cell design review by the technical organization of the provincial Housing Department, about to enter the construction design stage.
Residential building is a steel structure as load-bearing steel beams of an industry of housing, compared to ordinary reinforced concrete residential high-strength steel housing, good seismic performance, indoor effective area by about 4%; large bays, you can flexible division of space; but also as a strategic reserve of steel, after building demolition steel recyclable.