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As if there is mine grounding, what information do I have to do? How to do it? Thank you more
Flexible clamp clamp connector has the ability to withstand a certain end load, indoor engineering, building, shopping malls in the installation of rigid and flexible joints no significant difference in flexibility, flexible clamp joints connected to the underground works, the role of more obvious,
Two-wheel skateboard and aluminum alloy bracket which is a good point? Why are the same price is different
Section 6.4.4 of the technical specifications for the construction of fastener steel scaffolding (JGJ130-2001) stipulates that a double-row scaffold with a height of 24 m or more shall be provided with a rigid wall member Reliable connection to the building.
What is the pros and cons of the cast iron engine and the aluminum alloy engine?
Air conditioning without heating the case, compared to other heating methods, the air conditioning power. When the ambient temperature is 5 degrees or more (the inverter air conditioner is slightly better and can be above ambient temperature -15 degrees) "Air conditioning is the most efficient and consumes about 1000 watts of electricity in all heating products, producing about 3000 watts of heat Power and have a better effect. "If you feel the room cool off, one hour hot and open an hour this will be more costly. Both healthy and energy-saving approach is to reduce the indoor and outdoor temperature difference. In order to set the temperature of the air conditioning, do not be higher than 20 degrees, set the best 17 degrees. Summer set air conditioning cooling temperature, neither less than 26 degrees, and not less than the indoor temperature of 3 to 6 degrees. Such as indoor temperature 30 degrees, set 27 degrees; indoor temperature 35 degrees, set 29 degrees.
Why all the ultra-pole all use aluminum alloy shell?
003W / Mk, mainly for the refrigerator And freezers and other refrigerated insulation, the price is about 100 yuan per square The latest development of a super-fine glass fiberboard, made of this vacuum insulation board, thermal conductivity can reach 0002W / mK Do not look only fell by 0 in fact, a great progress, the general Japan and South Korea's senior refrigerator Are using this, the price of 150 or so 2 Silica as the core material, the thermal conductivity of 0004 or so, the general use of more European countries Dow Corning has been using The price is estimated at around 120
Made a sniper rifle total length of about 1.5 meters ~ aluminum tube to more than 400 to buy the aim of the mirror and the stent ~ gun dragged with a taste of two Bai fat paste mixed Thai aluminum alloy and screw decoration ~ no function is just a decorative model Is it illegal? More
Scaffolding in the span of 4 refers to: full of scaffolding width direction, at least 4 spans, that is, there are five pole (between the two pole between a spender for the sprinkling of the fence, Table 1.2 * 1.2 ~ 0.4 * 0.. the span is 1.2 ~ 0.4m). That is, the vertical and horizontal support frame at least 4 span.
Housing maintenance works wall maintenance, the use of mobile scaffolding, I would like to ask how this scaffolding generally calculate the cost? Thank you I'm doing the project budget
Generally divided into single row scaffolding, double scaffolding and full house scaffolding
What are the best companies (including imported products) in China?
This kind of material has the characteristics of not rotting, not burning, high temperature and so on For example: asbestos, diatomaceous earth, perlite, glass fiber, foam glass concrete, calcium silicate and so on Pu cold under the cold material used organic insulation materials, such materials have a very small thermal conductivity, low temperature, flammable and so on For example: polystyrene foam, polyvinyl chloride foam, polyurethane foam, cork and so on According to the shape can be divided into porous insulation tears orbital material, fibrous adiabatic tears orbital material, powder insulation and layered insulation materials four Porous insulation material, also known as foam insulation material, with a light weight, good insulation properties, good elasticity, dimensional stability, poor stability and so on Mainly foam, foam glass, foam rubber, calcium silicate, light refractories and so on Fibrous insulating material can be divided into organic fiber, inorganic fiber, metal fiber and composite fiber In the industry for the insulation of the orbital material is mainly inorganic fibers, the most widely used fiber is asbestos, rock wool, glass wool, aluminum silicate ceramic fiber, crystalline alumina fiber 窢 ridge to promote But the debt and so on Powder insulation materials are mainly diatomaceous earth, expanded perlite and its products These materials are rich in raw materials, cheap, is the construction and thermal equipment on the application of a wide range of highly efficient insulation materials
There are those children's roller shoes is one of the aluminum alloy stent,
"Current building construction specifications Daquan" Price: 248 yuan, which contains all the construction specifications, have not heard of artificial digging wall,