亚洲欧美中文字幕在线观看_两个人免费观看日本的_精品欧美一区二区三区久久久_久久久久99精品成人毛片,国产交换配乱婬视频偷网站,国产在线99,亚洲欧美日韩国产视频,免费一区二区三区在线视频,97嫖嫖视频97啪啪视频,国产精品免码视频二三区。

Enterprise performance
TH Assembled Steel-bar truss deck
Time:2020-06-29

Our company currently produces three kinds of Steel-bar truss deck, the first one is TDA type Steel-bar truss deck, which adopts a reinforced truss floor support plate with no welding points on the bottom of the plate and upright ribs. It is mainly used for air quality requirements. High-rise buildings. The second type is the TDB type ordinary Steel-bar truss deck, which is mainly used in public buildings. The third type is the TH type Steel-bar truss deck. The Steel-bar truss deck is assembled with the bottom plate. After the bottom plate is removed, the surface of the concrete floor is smooth and flat, and there is no need to make a ceiling.