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In the design, the building structure and the hydropower are generally designed by the Architectural Design Institute. The air conditioning ventilation is based on the design of the room. Or first air conditioning ventilation? More
Polystyrene should not be polycyclic aromatic. Polycyclic aromatic groups generally refer to aromatic groups when multiple benzene rings are used. Not all of the hydrocarbon chemical products are carcinogenic, and our bodies are producing hydrocarbon compounds all the time. Polystyrene carcinogenicity is small. General benzene ring on the more substituents, the toxicity is relatively small, such as toluene is less than the toxicity of benzene. Of course, there are many compounds with benzene ring, so there are a lot of scholars to study with our body creatures do not meet the quality of raw materials to do the polymer, such as lactic acid production of polylactic acid, but the current Can be put into use much.
I added the space 18 degrees opened for 5 hours or not cold, we all know how is it? More
The general level of more than 12 layers when you need to use.
Air to water heater host and air conditioning host is not the same
Issued a test report, Detection can be used to pass, failed to use!
HVAC Heating: What are the main components of the air distribution system?
Geothermal construction, the heating pipe spacing can not be less than 100mm, the construction can not be achieved, big brother!
Gree air conditioning 50 heating and cooling mechanism heat when the host cooling network is how the matter
Extruded board of course, can generally use this to do, indoor and outdoor to do almost, most of the outside is done because of saving space inside the room. Recommended: do indoors, because I was doing the external walls, the insulation often do, the wall is not very good for the first time, because you do before the insulation wall itself is the weight of the valve valve closure of the bone shop stall wipes , Benzene board sticky benzene board is not very strong, live well for a few years, bad two or three years there will be signs of shedding, looking twice thinking.
External wall insulation method of operation There are several combinations of materials
Seeking the existing building construction specifications Daquan! The The @
The installation method of ordinary air conditioner. The more detailed the better. Please thank you all
2.1.23 step distance liftheight the distance between the upper and lower horizontal axis of the axis of each other. 2.1.24 pole vertical (cross) distance longitudinal spacingofuprighttube Scaffolding vertical distance between adjacent rods. 2.1.25 Vertical distance transversespacingofuprighttube Scaffolding Horizontal distance between adjacent vertical rods, single row scaffolding for the outside pole axis to the wall distance.
Air conditioning ventilation when the sound is a big reason
Buried plastic pipe under external load, the diameter of the vertical diameter deformation rate should be less than the allowable diameter of the pipe deformation rate The diameter of the allowable diameter of the pipe shall not be greater than 5% The diameter deformation rate of the pipe and the allowable diameter deformation rate are calculated as follows: ε ΔD / D0 × 100% [ε] ε0 / K where: εΔD pipe in the combined load (Mm) [ε] Permissible diameter Deformation rate ε0 Elastic diameter Deformation rate (%) of pipe, by the flattening of the diameter of the pipe diameter (mm) The test determines the K safety factor, generally desirable 15