One, wooden ramp Advantages: It is comfortable to slide (high comfort) and can be used for competitions, cheaper and quieter systems. Disadvantages: only applicable to indoor, short life (surface), easy to damp, not fire. Second, the steel slope 1. Steel slopes on steel surfaces For ex-----!
Liquid photosensitive ink is a special UV ink, which can be used for full-plate printing without printing plate. After photo-curing and developing, the ink coating can be processed by etching, electroplating, electrophoretic filling, etc. It is suitable for the production of small batch, multi-var-----!
Although Feng Shui has many different opinions, it is generally considered to have "symbolic financial position" and "substantial financial position." The symbolic financial position belongs to the â€œMing Ming positionâ€, which is the position of the left or right diag-----!
Women can top half of the sky, what about the situation in the home industry? The "March 8" Women's Day is coming. The reporter conducted a simple survey. Based on data from multiple stores and random surveys, the decision-makers who buy household products are women, accounting for mo-----!
Professor Zhang Risheng, Beijing Normal University, Research and Application Center for Sandplay Therapy Sand table games promote children's mental development The sandbox game was created by Swiss psychologist Doraka Golf on the basis of Jung â€™s analytical psychology in the 1950s. At-----!
Professor Zhang Risheng, Beijing Normal University, Research and Application Center for Sandplay Therapy Rules in the treatment of children's sand table games The rules of the children â€™s sandbox game treatment process: After the child enters the sandbox game room, the witness will br-----!
The high and low temperature testing machine simulates the natural high and low temperature change environment, and is widely used in the test of the adaptability to the temperature environment during the storage and transportation of electronics, electrical products and other product parts and ma-----!