My car: the weather is getting cold, the morning is also more and more difficult to start, as long as the morning to start, and later when you can start about it , Start the machine, the battery power is good. And the car climbing no strength. Before the problem of maintenance: Km done a maintenance, the problem added: the morning before the start of measuring the battery voltage is 11.9V, start the voltage drop to 9V more, take someone else's car battery can start about, how to know Is it a battery problem or another electrical problem? More
The door of the root 10kv high-voltage poles above the three lines are leading down below the poles from the ground to the opposite road to the road, and now the problem is that I see the three lines are the other with the kind of black outside the kind of insulation Of the thick line, the upper end of the pole at the next point when the three lines are separated and then to the middle of the pole when I look outside and add a very thick black casing to a few lines are set in the root pipe Inside the child has been buried under the ground. Recently I found that under the bar in the thick black tube broken tube can also see the inside of the casing that three wires, but inside the wire that is no damage to the wire, I want to know is now outside the root Sleeves not if you accidentally touched inside one of the wire insulation will also electric shock? More
If the gap is large, first with a fire board (gypsum board and other non-combustible materials) block, a small gap and then fire mud seal, do not leave the gap
You said that Jingdong that paragraph? The price stood it, the performance is not talking about garbage, power supply is shrinking, the requirements are not high can meet.
