HVAC air duct construction process standard
5. Check the quality of galvanized steel plate, angle steel and auxiliary materials for air duct. Where the pipeline is close to the wall, beam...
5. Check the quality of galvanized steel plate, angle steel and auxiliary materials for air duct. Where the pipeline is close to the wall, beam...
An autumn letter from home is presented. Wanjing family letter to the dear Wanjing family: if you see the letter, how are Zhan Xin! September...
Relevant vehicles and pedestrians turn left from the ground auxiliary road of Wulin Road (close to the 4S store) to enter Yanjiang Avenue, and then...
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In order to ensure the smooth and safe travel of the people, some roads in zhengjiahecha Village section of Liyuan street in Changcheng Town will...
Heat shrinkable polyethylene film can also be used for protection. Before butt joint, the surface of the upper and lower plates shall be cleaned, and...
This method is fully used in the fabrication and installation of the roof main arch of Nanjing International Exhibition Center in China“ The “unit installation...
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specializes in non smashing brick waterproof construction of kitchen, toilet, bathroom, balcony, accessible roof and accessible platform; Plugging and maintenance of underground garage, elevator shaft,...
Before traveling, plan the driving route, avoid the construction section as far as possible and drive in a detour to reduce the road traffic flow...