国产久操视频-国产久草视频-国产久热精品-国产久热香蕉在线观看-青青青青娱乐-青青青青在线成人视99

The steel structure in Foshan is one of the most important structural types, which is made up of steel beams, steel columns and steel trusses, etc. made of steel and steel. The steel structure of Foshan is characterized by high strength, light weight...

Light steel structure is a steel structure system of Foshan steel structure. It is widely used in general industry, agriculture, business and service buildings, such as office buildings, villas, warehouses, sports venues, entertainment, tourism build...

Foshan Steel refers to the structure mainly composed of steel materials, is one of the main types of building structures. Structure is mainly made of steel and steel plate, such as steel beams, steel columns, steel trusses and other components, the c...

First, the membrane roof crackingMainly in the following six reasons1, the design of the temperature difference caused by the expansion of roofing components of the impact of ill-considered;2, the insulation layer construction quality is not good or ...

As we all know, when the steel structure in the construction have a certain risk, especially in the winter when the risk is greater, then how do we Foshan steel construction in the winter to ensure safety when it? First, in Foshan steel construction...

    Steel itself has many advantages, so it is widely used in factories, high-rise buildings and other modern buildings. In a large number of projects, the Macao steel structure project also has a lot of appearance opportunities. Then ...

    After the completion of the steel structure, then we must carry out inspection work, and we should do to ensure the integrity of the acceptance work? The following steel companies in Shenzhen to do simple to share:   ...

            Tall building in the cover when the steel structure of this kind of material, and then we use these steel structure at the same time, its maintenance also need to pay attention, or it wi...

When installation of steel at a negative temperature, pay attention to the deviation caused by temperature changes in the dimensions of the steel structure. Such as construction steel at room temperature is installed at negative temperatures, we shou...

How Grilled quantities and drawings should be aware of the problem    First, do not be afraid, do not be intimidated by drawing a thick, steel sheet Foshan actually very simple, as long as you get down to seriously look at and eas...

With the global awareness of energy saving and environmental protection has been strengthened as an industrial energy saving imperative subject --- industrial plants. The steel plant in the energy and steel plant insulation system is directly related...

(1) weathering steel: corrosion resistance than ordinary steel steel structure called weathering steel, generally contain phosphorus, copper, nickel, chromium, titanium and other metals, the metal surface to form a protective layer to improve the cor...