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In the airport shopping mall and other public places up and down the stairs or escalators should rely on what to stand?
On the right side to let the left side of the channel, the left for the fast track
Inside the restaurant such as the kitchen in the 1L and then the food to the top of the restaurant inside a machine called what name?
Is to send vegetables elevator ~ there are many brands, casually Soso on the line ~
You brother ah, sister who can give me a complete waterproof construction program, the basement roof with polyurethane, kitchen and toilet with JS, thank you friends
Can be downloaded from Google, these two materials approach is very simple and very common.
This is a question, who can give a full answer
Commissioned to the qualification of the unit or the original manufacturing unit for daily maintenance. Maintenance and maintenance of the number of quality supervision; check whether the maintenance unit on time to maintain maintenance personnel maintenance elevator, whether according to the provisions of the time-by-day maintenance. Security personnel to provide a valid qualification certificate and do a good job in each maintenance note
Hitachi Elevator out of the 61 with the door of the lock after the opening of the arrow outside the instructions to flash how to repair
My idea, you should look at the motherboard on those who help the rafts of the river, the number of lights, which should be working properly but did not light up to determine the cause of the malfunction to find the cause of the fault and then Discharge, I only compare the new motherboard when the line, as you said this problem if it is not a safe circuit and the door of the security problem, it should be the issue of the vessel recommended you to measure the external call power supply voltage (all Flash), there is a possibility that there is a short circuit of the external call board, and I have encountered such a situation. The other is gone
Please elaborate
Lubricants, door machines, light curtains, wire and cable, screw reinforcement. Voltage, etc., but also includes the well machine room cleaning
For example, what records, is not to monitor what the third party? The More
Anti-dropper to do third-party testing, and report...
Our factory production of gears running noise, want to solve through the grinding method, seeking expert guidance. Question added: We used this method, because we buy grinding machine financial capacity is not realistic, and occasionally heard the gear grinding the processing method, they have tried, is to match the two gears to exert a certain pressure on the grinding sand bite A few minutes, after the experiment found to be able to improve some, but now our process is not good to control the angle of the helical gear, seeking expert detailed instructions, or what better way to solve our helical gear noise problem? More
I did for 20 years, do not know the gear can also be grinding. In order to reduce the noise 1 by grinding method, you can achieve 5 precision 2 with quilting teeth approach, you can achieve 6 precision 3 high-speed occasions, the method can be coated on the tooth surface to reduce the noise to solve the problem 1 teeth Good shape 2 teeth to better 3 surface roughness is better