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FAQ

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

You go to Google search download after the change is not on the line. Even if someone else you have to change because of sometimes construction and other reasons

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

My model: hippocampus Fumei to transmission: manual Displacement: 1.6 l Driving range: 2200 km Time of purchase: September 2017 Problem Description: Ask the experts advise on the three generations of the first solution of the United States to the oil 4S there are two kinds of oil, one is mineral Oil 10W-30 The other is semi-synthetic 5W forged teeth forged forging feathers Quan Chuan Huowen these two are SL level. Compare the favorite Castrol's EDGE5W-304 lift. Other do not know. In fact, they also know that economic cars do not need to use a good oil, but still want to own the first car a little better ~ by the way here we winter temperature is generally not lower than minus 25 degrees. Road more urban areas, and occasionally run suburban road. Seek expert advice ~! More

It is better to have a low viscosity and a low viscosity of 5W, so it is possible to have a low viscosity of 5W. You are a new car to hand three fire, want to take good care of the synthetic oil enough to enjoy your car! So you use the more than the ideal combination of 5W-30 with the United States to more than enough! Summer or car running tens of thousands of kilometers later, you can choose mineral oil SL10W-40 or SM10W-40 on the line!

For example, what records, is not to monitor what the third party? The More

Anti-dropper to do third-party testing, and report...

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

May be caused by the connection of the motherboard. May be caused by damage to the internal parts of the machine. It is recommended to contact the maintenance staff can be repaired. An elevator is a motor-powered vertical lift with box-like pods for multi-storey construction or cargo. There are steps, stepping board mounted on the track for continuous operation, commonly known as escalators or automatic sidewalks. Serving the floor of the fixed lifting equipment. The vertical lift elevator has a car running between at least two rows of rigid or inclined rails with an inclination angle less than 15 °. Car size and structure to facilitate the passengers access to or loading and unloading of goods. It is customary to use the elevator as a general term for vertical traffic in a building, regardless of the way it is driven. According to the speed can be divided into low-speed elevators (1 m / s below), fast elevators (1 ~ 2 m / s) and high-speed elevators (2 m / s or more). The mid-19th century began to appear hydraulic elevator, is still in the low-rise buildings on the application. In 1852, the United States E.G. Otis developed a wire rope lift safety lift. 80 years, the drive device to further improve, such as the motor drive through the worm drive winding reel, the use of balance weight and so on. At the end of the 19th century, the use of friction wheel drive, greatly enhance the lift height of the elevator.

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

What is chemlon533G material?

Is a kind of nylon material, belonging to the organic material in the polymer material bar

Grocery elevator is always automatically anti-leveling what is the reason

The motherboard set the time to return to the base station, or lock ladder are likely to have this problem