Q:How much is the telescopic ratio of the electric door?

Generally between 4.2 to 7.6, the more the cheaper the door telescopic than the larger, the less the material, remember this on the line, the best retractable door brand is ---- Red Gate Technology! You can go to their website to see, there are phone calls across the country!

Q:What is the double tax to the door?

Should belong to the DDP, "duty-paid delivery (... ... designated destination)" refers to the seller at the designated destination, for the import clearance procedures, the delivery of transport tools have not yet unloaded the goods to the buyer, goods. The seller must bear all the risks and expenses for the carriage of the goods to the named destination, including any "taxes" (including the liability and risk of handling customs formalities) at the destination at the time of the customs formalities, Tariffs, taxes and other charges). Corresponding to EXW, factory delivery.

Q:The story of Cheng Menli Xue

Far in the Northern Song Dynasty, Fujian will be called the East Yang Jia Jinshi, he particularly likes to study knowledge, find friends and relatives everywhere, had studied in Luoyang famous scholar Cheng Hao door. Cheng Hao died, and Yang recommended to Yang was then more than 40 years old, knowledge is also quite high, but he is still modest and prudent, not arrogant and impatient, respect for teachers, won the heart of the school, Cheng Yi's favorite, was Cheng Yi as a proud student, was really true .One day, Yang together with the study of the health of Cheng Yi asked to learn, but unfortunately catch the teacher is in the house nap. Do not wake up the teacher, so the two stood on the ground, and so the teacher woke up for a while, the day drifting goose snow, the more the next urgent, Yang and the health is still standing in the snow, swim really can not stand Want to wake up Cheng Yi, have been blocked by the Yang.When Cheng Yi woke up, was surprised to find the two snowman outside! Since then, Cheng Yi deeply moved, more dedicated to teach Yang, Yang did not expect , And finally learned all the teacher's knowledge .After that, Yang returned to the south to spread Cheng's science, and the formation of the exclusive school, the world called "Mr. Kameyama." Later generations will use "Chengmeng snow" this allusions, to praise those School teacher, sincere dedication, respect for teachers and students.

Q:How can not play ah Daguai it?

First of all in the blade of the mountain Bashiri pier to kill the virtual spirit, until the outbreak of the task items what phase conversion props, red. Use, enter another time, and then you can see what the smuggling of energy what the things. There is no space in another space, but there will be another biological phase of the dragon to stop you from taking what these smuggling.

Q:Three - state gate circuit

In addition to the general gate circuit with the "1" output state and "0" output transitions, there is a "high impedance state", in the control port under the control of the output is high resistance when the equivalent of the The output of the gate circuit is not connected to the output line and appears as an "insulated" state. Three-state gate circuit is widely used in data bus transmission, the so-called data bus transmission is a data line can transmit multiple data signals, the multiple data signals according to the provisions of the "order" transmission, so that the data line to the maximum time Utilization rate. As a result of multiple three-state gate output are connected to the data bus, so when the control instruction is not, the three-state gate output and the line are "insulated state", only the instructions to reach the three-state door to transmit data, Many of the three-state door in a moment can only have a door to transfer data. In addition to the general gate circuit with the data input, output, there is a control "enable", only the control "enable" is valid to output the signal.

Q:How much is the double door size?

This question is very general ah? You have to ask what the size of the double door? Door size, or door size? Generally do double door, then the door size standard in the 1 m 6 to 1 m 7 or so, this is the standard! Door for the 800mm, two words is 1600mm! Plus the thickness of the two borders, and the empty space required for installation Gap!

Q:Behind the door to prevent the door and the wall collided with what is called

Should be: door suction.

Q:To the vibration of high-lying, one hundred places by the ancient mountains; the door toward the sea, the Sanjiang River years of what the meaning of attack

The old saying goes: "Ming Fuqing anti, mother father days. Outside the friends which way the rudder?" Heaven and earth will be the slogan is "Father of the mother, anti-Fuming", but when the case of identity Unknown people, first of these eight words upside down, if it is in the brothers, they will say, such as outsiders, the other unintelligible, nor to leak the identity of the village and the roof of seventeen eight people Cried in unison: "the vibration of the Takaoka, a school Creek thousands of ancient show." Hall in the group ho shouted: "the door toward the sea, three rivers of water years flow." But also the film Deer in the movie line is the world will be the connector signal

Q:Hole door ten Yin which ten Yin? Who made it?

Confucius and his son are also the Confucius disciples, is the best of the ten students under the door of Confucius (Yan Zi, Zi Qian, Bo cattle, Zhong bow, son of Sub-tribute, sub-road, son of me, sub-tour, sub-summer) together. Divided into "virtue", "political", "speech", "literature" four categories.

Q:Is the fireproof door of the substation room a Class A fireproof door?

According to the "Code for Electrical Design of Civil Buildings", the provisions of Article 4.9.2 (Strong) of JGJ 16-2008: The door of the distribution office shall be a fire door and shall comply with the following: 1. When the power distribution is located in the main building (or podium), the door leading to other adjacent rooms shall be Class A fire doors and the doors leading to the aisles shall be Class B fire doors; 2. When the power distribution is located at the second floor or higher of the multi-storey building, the door leading to the other adjacent rooms shall be Class A fire doors and the doors leading to the aisles shall be Class B fire doors; 3. When the distribution is located on the floor of a multi-storey building, the door leading to the adjacent room or aisle shall be a Class B fire door; 4. When the power distribution is located in the basement or below the underground, the door leading to the adjacent room or aisle shall be Class A fire doors; 5. The door near the distribution of flammable items or doors to the garage should be Class A fire doors; 6. Power distribution directly to the outdoor door should be C fire doors.