"Even junior high school students know that the unit of current is ampere, the unit of voltage is Ford, and the unit of current is Coulomb. Then why do mobile phones and charging treasures say how many milliamps are their batteries?" Why do mobile phone batteries and charging treasures -----
Although the security screen does not look very eye-catching, its role can not be ignored. Nowadays, the King Kong net security screens on the market are more popular among consumers. Therefore, let's take a look at the functions of the King Kong net security screens. 1, security protecti-----
In recent years, with the extensive development of vitrectomy, aphakic eyes after vitrectomy are a type of postoperative residual. The second phase of intraocular lens implantation is the most ideal method to improve the visual function of such patients. Because the vitreous in the eye has been cut,-----
How to maintain the pump? Here is the RY-type air-cooled heat pump Maintenance methods introduced. RY-type air-cooled heat pump maintenance methods (1) the pump shaft is equipped with a stuffing box at the front, the sealing performance is more reliable, while the mechanical seal in the bearing sea-----
FYS-type plastic anti-corrosion liquid pump in the order of the demolition of the basic pump assembly and the contrary, but pay attention to the concentricity of the shaft parts. So for its disassembly method, we understand? If you do not understand, then we will introduce the FYS plastic anti-corr-----
Forklift gear pump failure during the use of the process is difficult to avoid things, especially the braking system is often more often a failure, then when the forklift gear pump brake system, what are the common faults? And how? If you are interested in these issues, the next is the forklift gea-----
Research and Development of DJ1 Type AC Drive Electric Locomotives Chen Hanqin\ Shi Weijun 2 (1. Zhuzhou Siemens Traction Equipment Co., Ltd., Zhuzhou 412001, Hunan, China; 2. Siemens AG, Transportation Technology, Ellanden, Germany) DJ1 Type AC Drive Electric Locomotive General Parameters , Trac-----