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Can the kitchen sewage pipe pass through the walls of the stove wall?
- scaffolding pole base with the height must be high longitudinal bar to the lower extension of the two spans and pole fixed height difference should be 1m by slope slope of the vertical axis of the slope should be 500mm single, double Row scaffolding bottom step should be 2m single row, double row and full of scaffolding stand in addition to the top of the top step outside the other layers of each step must be connected with the fastener scaffolding pole connection, lap should be consistent with the column Provisions: the use of connecting rods should be staggered with two adjacent rods should be arranged to set the synchronization within the synchronization within the separation of the two-phase separation of the distance from the distance to 500 mm; each connected to the main node the use of lap joint lap joint should be at 1m and should be used less than 2 rotating fasteners fixed end fastener cover edge to the rod end distance should be 100mm scaffolding Pole top rail bar should be high wall end 1m should eaves mouth 15ms
Plastic tube most afraid of what the East unitary
- The best is to, otherwise the space is not in circulation,s
Do you have a natural gas hose in the flue?
- Look at where, install and dismantle about a total of 50 yuan a square it The activities of the activities of the Central Chamber of Commerce Cos
Two hundred galvanized pipe should be under the large flexible tube
- Expanded polystyrene board is a common white foam board; this foam board is formed by foaming. The extruded polystyrene board is a color foam board (common colors: gray, blue, yellow, green, etc.); this type of foam is lack of dumplings dumplings. In other words, in addition to color, the production process is the difference between the focus.s
What is the effect of concrete pouring on the construction quality?
- The use of the trench connection to check the pipe sealing surface is smooth, smooth, no burr. Whether the sealing surface of the sealing ring is scratched, whether the length of the sealing section of the pipe meets the requirements. These three points to ensure that certainly not leaking.s
Why should the flexible hose be set in the mechanical ventilation system?
- The contents of the special construction plan: engineering overview, preparation basis, construction plan; process technology, safety assurance measures, labor plans, calculation books and related drawings.s
What is a flexible interface and what is a rigid interface?
- According to the provisions of Article 103 of the "Tower Crane Safety Regulations", the tail of the tower crane is not less than 0s
To ask why the use of clamps connected to the spray pipe after the flush again after the water there will be a lot of hook link position leakage phenomenon? Thank you! The The
- The radial force of the seal is far greater than the axial force of the connecting bolts but all the axial force washers 窢 field urging 讵 peculiar aldehyde support, good self-sealing effect by the pipeline through the media rubber ring pressing force pressure more sealing performance of the more pressure to prevent the pressure of the rubber ring to the inner diameter of the tube end of the interface diameter Preload to prevent the media pressure leakage and the blue compared to the higher the pressure of the pipe the more the advantages of the more dangerous the pipe junction at the flexible state of the clamp and the tube between the gap between the clamp clamp a small number of adjacent pipe to allow the corner tube Pipe pipe between the end of the gap to allow the axial shift of the pipeline to adapt to the expansion and contraction of the pipe; pipe interlocking effect reduced 70% mechanical vibrations
how to fix door closer
- The new door closer is in use for a week to 10 days，you should check all the screws, and retighten again. Please use the hydraulic oil recommended by the manufacturer.For cold ar...
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...
Do you know the price of plaster
- Plaster are available in both a tapered and a square edge style, both at great prices, so you can choose your favourite and achieve your ideal finish, without concerning yourself w...
What's Composite panel association
- The Composite Panel Association (CPA) is the North American Trade Association for manufacturers of particleboard (PB), medium density fiberboard (MDF), and other compatible product...
What's the thickness of insulated plasterboard
- Description:Insulated Plasterboard is a building material made of gypsum as the main raw material. It is a kind of material that has the character of light weight, high strength, t...