1. In Which Case Is Row Pipe Laying Used? What Are The Advantages?
Answer: The laying of rows of pipes is generally used in places where they intersect. This is......
1. Commonly Used Low-Voltage Power Cables Are Divided Into Several Categories According To Their Different Insulation And Protection Layers. Which Categor......
1. What Matters Should Be Noted When Using The Torch?
Answer:
The maximum amount of oil injected into the torch is 3/4 of the volume of the oil drum.
Do not st......
