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Wide provided suitable for busy trunk, also can be laid in tunnel and station floor maintenance difficulties, stone or soil subgrade are laid, but the mud pumping in the diseases of roadbed must be laid on the roadbed diseases after renovation. The main advantages of the wide sleeper circuit are: the suborbital sinking is small. The vibration acceleration is smaller than the concrete sleeper line, which gradually slows down and stops after laying. So the line maintenance work is greatly reduced, about a third of the general concrete sleeper line. The track is easy to keep clean. Dirt is not easy to break into the bed and prolong the repair cycle of the route. The line is smooth and stable, which is conducive to high-speed operation and the laying of seamless circuit. The disadvantage is that the cost is higher, and it is more difficult to change the shop on the busy trunk line
When you mix these artificial sea salts with regular water you want to do several hours before you decide to introduce it for a tank. one day is a better time and energy to wait. This allows the lake mixture to stabilize it while you re oxygenate it having a small pump and air stone. That way the river is less harsh in the chemical reaction which takes place if the salt and water are mixed together. You may think that is trivial, but it is not. Attention to detail is very crucial to through an aquarium that runs we, to 1 that is very vibrant along with super condition.
Adults love to spice up their parties with something a little risqu? every so often. There are numerous ways to incorporate a grown-up vibe in the birthday celebration theme. The most critical factor is actually the guest of honor will love a grownup party theme. It doesn't have to be bawdy to have adult party games.
The semi semi-automatic closing interval, the long train head over the outbound signal generator (the track circuit not on the outbound side of the station).
Underground metal detector using voice alarm and instrument, according to the detection depth to be ground area, shape, weight of the metal has a lot to do, in general, the area is larger, the more the number, the corresponding detecting depth is larger; Conversely, the smaller the area, the smaller the number and the smaller the corresponding depth. The maximum detection depth listed in the following table is embedded in the dry soil by a 60cm * 60cm * 0.5cm (0.5cm) aluminium sheet in accordance with the product's enterprise standard
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