.......
From the search for oil to the use of oil, there are four main links, namely, search, mining, transportation and processing. These four links are generally referred to as “oil explorationâ€, “oil field developmentâ€, “oil and gas .......
The steel slag is dried by a tumble dryer so that the water content of the steel slag is less than 1.5%. The dried steel slag is sent to the electromagnetic pre-magnet for pre-magnetization, and then sent to the homogenization reservoir for homogenization, storage, and then dry. For grindin.......
High-low temperature test chamber Temperature sensor, temperature controller solution in the event of a malfunction The possible malfunction of the high-low temperature test chamber temperature sensor:
1. Offset error: The offset value can be adjusted by PID self-tuning.
2. The su.......
Tool materials and tool surface coatings directly affect heavy machining cutting efficiency and machining costs. At present, the hob materials used in China are mainly high-speed steel materials such as W6Mo5Cr4V2 and W9Mo3Cr4V. Most of the foreign countries use new tool materials such as .......
No matter how fast the car runs, it is a critical time to stop. This is a problem. The brake system is a very critical part of every system in the car. If there is a problem with the brake system, it is very dangerous. The brake oil also has a great influence on the b.......
From January to February of this year, the industrial enterprises above designated size achieved a profit of 606 billion yuan, a year-on-year decrease of 5.2%. Among them, the prof.......