Such as: 200 * 100 * 1.5. Ordinary, galvanized and hot galvanized. How is the price calculated? Is there a formula? More
The price of the single meter is determined by the type of the bridge and the cost of the raw material, as well as other accessories and labor costs. Calculation method: the various types of bridge after the expansion of the area × size × raw material density × raw material cost unit price.
With a multimeter, test, or ask, install the elevator technician ah! Is the same ah, there is no difference ah
The problem is too big, find a factory to set the information bar
First have to admit that your TV is more powerful, ha ha! So many sound input, but compared to the next two pictures is not difficult to know, in fact, are different input interface! Yellow insert ANT input, which is the middle of the yellow like! Red and white points were inserted into the audio input 1-2 like! The rest are corresponding to the color difference, S-video audio input lost in the mouth of the fabric of the mouth of the mouth, if you find no sound, please correspond to the audio input ...5!