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Home 2 air conditioning is the cooling of electricity or heating electricity? How much power is spent in hours
- No, polycyclic aromatic should be anthraquinone This is certainly not all of the hydrocarbons are carcinogenics
Single cold air conditioning function can not change the cold and warm?
- So good, then you recommend more. Give an address. You are not layman, too modest.s
Air conditioning machine work when the sound is too much reason
- Many of the good quality of the model, of course, bear some of the larger. Common scaffolding brackets are U-type care, "construction fastener steel scaffold safety technical regulations" (JGJ130-2011) provides "adjustable support bearing capacity design value should not be less than 40kN, support plate thickness should not be less than 5mm ", the general calculation using 30kN. Not to say how fast buckle steel scaffold can bear the load, but according to how much load to calculate how scaffolding erection. Need to be calculated. In the "construction of fasteners steel scaffold safety technical specifications" provides instructions. Double fastener (anti - skid) bearing capacity design value 3.2KN. Right angle fastener, rotary fastener (anti-skid) bearing capacity design value 8KN.s
Ventilation is very good, why still have to install fresh air system
- Also known as foam board, EPS board, is containing volatile liquid blowing agent of the polystyrene beads can be preheated by heating, heated in the mold and the formation of white objectss
What is the whole heat exchange fresh air ventilator?
- (GJG130 - Fan Jutang Duanjie Daojie Juejiao 2001) will be replaced by (GJG130-2011) is expected to begin the implementation of the construction of this year, the construction of fastener steel scaffolding safety technical specifications (GJG130), the construction of fastening steel pipe scaffolding safety technical specifications (GJG130- -2011)s
External wall insulation method of operation There are several combinations of materials
- Seeking the existing building construction specifications Daquan! The The @ .coms
The installation method of ordinary air conditioner. The more detailed the better. Please thank you all
- The basic operation of the same, but the different requirements of different professional, or to determine the direction of good, and then hands.s
Air to water heater host and air conditioning host is not the same
- You can try asphalt! Is the kind of paving the way! Very useful!s
What's the function of construction management certification
- A Certificate in Construction Management program is generally designed for individuals with work experience and a bachelor's degree. The curricula of these programs teach stude...
What aluminium composite can be used for
- Description: Aluminium composite is with Nano-PVdF paint layer coated on front aluminium foil. Besides all good features of PVDF panel, but also coats PE(Polyester) paint and becau...
how to adjust a door closer
- The door closer is always used in the size of buildings and shopping malls,is widely used in the entrance of the office building, to avoid the spread of fire, the effective protect...
How to become a construction Project manager
- Construction project managers combine their expertise in engineering and management to deliver projects on time and within budget.They prepare work schedules;manage a team that inc...
what is basalt rock
- What is basalt rock？Basalt belongs to basic volcanic rocks. It is the main component of the earth and the moon sea ocean crust, the earth crust is an important substance and luna...