Petroleum laboratories are different from general chemical laboratories. Operators have been exposed to a large number of petroleum samples and chemical reagents for a long time, most of which are toxic, flammable, and explosive. Any improper operation may cause fire, explosion, and poisoning. There
The following four products have great discounts, so pay more attention if you need them. Because the discount is very strong, I will not participate in this full discount activity, but the purchase quantity is not limited.The following is the full discount event in March, come and buy it!
In February, HuazhengElectric is ushered in a guest - foreign customers to visit our company.HuaZheng Electric is the sales representative staff for reception, first with a pedestrian to visit the company's exhibition hall, to the customer detailed introduction of all the equipment display
Electrical systems are like plumbing systems. Voltage is like the pressure of a liquid, current is like the flow of a liquid, and electrical insulation is like the wall of a tube. Prevent the leakage of insulated electrons from conductors - the effect is expressed in terms of insulation resistance.
Discussion on the problems that should be paid attention to in the application of cable fault tester.The test of the cable fault tester is a system engineering that sums up various experiences and skills, and its test method is not single. In practice, various testing methods should be used flexibly
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