Q:For example, HDPE pipe with a flexible connection is a flexible interface, PVC-U of the glue plug-in method, is just helium pouring a lie on the pizza pull the interface, wire then, flange it more

PM25 and other dust particles mosquito 4 The The The One of the most critical is that the window is not New Zealand, to know that China's outdoor air quality is very bad And closed doors and windows (especially air conditioning or warm and warm equipment must be closed when the window), the indoor air in a variety of superimposed pollution (decoration pollution, carbon dioxide exceeded)

Q: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.

Q:Rigid pipes differ from flexible piping, those are rigid pipes that are flexible piping

According to the "construction safety inspection standards" JGJ59-. the safety assessment of the project this month to meet the eligibility criteria, agreed to the construction unit self-evaluation views, wear raft flat Wo Zhuangguang state platinum card assessed as qualified.

Q: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 15m

Q:Drain flexible pipe to keep the base design above the elevation of the number of meters

, there are cloth-based materials, such as Teflon cloth, etc

Q:Why should the flexible hose be set in the mechanical ventilation system?

Bowl buckle price is high! There are many buckle-style markets, so rent up cheap!

Q:Flexible pipe trench backfill inspection batch quality acceptance record how to fill

Step distance is the bar distance, vertical distance is vertical bar distance. Span ... guess or pole distance.

Q:Find a joint electronic M1.5.4 type ECU application system wiring harness and layout Thank you, anxious! The

Not even if you are cheap to say that you are angry, and a ticket stare on the

Q:Cast iron flexible tube A type B What is the difference

Air conditioning duct glass wool insulation loss is generally between 1

Q:What is the difference between the D-LD2000 clamp-type flexible fittings and the KRJ-type clamp-type flexible fittings?

Polystyrene board in the basement wall from the role of waterproof protective layer is to prevent the backfill due to external forces on the destruction of the waterproof layer. That the use of multi-layer board bear two Cao Dutch 丨 sell Zhatai Chun Jun can not. Because the deformation capacity of polystyrene board is relatively large. And the deformation capacity of the multilayer board is small.