The ring cooling ash unloading system of the sintering workshop of a certain factory unloads the small particles of ore and dust blown out by the blower in the ring cooling process onto the ring cooli
Digital tube is a commonly used display device. When using it, it is necessary to match the LED with a current limiting resistor, and add a driving circuit when using a multi-digit digital tube. For e
Bought this brand new, unpacked it just a week ago, powered it up just a few times, upgraded it to 200M, turned on all options, installed a better one, and now I'm selling this one as it's idle. I'm p
[i=s]This post was last edited by fish001 on 2017-8-27 22:12[/i] [font=宋体][size=3][color=#000] [/color][/size][size=4][color=#000000] [/color][/size][/font][size=4][color=#000000][font=宋体]Here is an a
Press a key to turn on the computer. At the same time, this key also serves as a confirmation key after turning on the computer. If there is no key action for a period of time, the power supply of the