The continued growth in demand for lighting has driven the LED industry into a one-way uptrend channel. With the further restrictions on the use of incandescent lamps and the decline in the price of LED lighting products, LED lighting has ushered in the opportunity of rapid development. Co.......
The gear pump model with the rotation angle will rotate the gears in each gear pump model one by one from the beginning to the end (the rotation direction of the gears in the gear pump model is opposite) to simulate the different moments of a pair of gears. status. The entity extracts the .......