Now we're using basically lcd tvs, which are displays of lcds, different from the previous catheters, and the picture is much clearer and more live. So the lcd tv is different from where it used to be. Today we're going to give you a brief introduction to the common sense of lcd maintenance. In order to understand the common sense of lcd maintenance, we would like to begin with the diagnosis and maintenance of frequent lcd failures. This will fac

The electric pottery is a good helper in our kitchen, making it easy for us to cook and cook. If the electric pottery works so hard, it will certainly have a bad day, so it's common for the electric pottery to be damaged, so the little writer shows you how to fix it。Electric potteryMost of this failure was caused by damage to the igbt itself or problems with synchronization, oscillation, driving circuits. As this failure is more severe, da

The new trading model of the precious metals exchange was finally confirmed at the shareholders ' conference on 25 march. The report was informed that the new trading model had been announced at the general meeting of member units on 26 march (this thursday) and that the institute had also published information on the increase in the variety of oil traded。This is definitely a major wave of change, hailed as the east wind of precious metal