Petroleum as a mineral resource refers to oil that contains water and gas. Crude oil, as an industrial product, has water and gas separated from the oil and is a qualified industrial product.
The chemical industry penetrates all aspects and is an indispensable and important part of the economy. Its development is to take the road of sustainable development and has important practical significance for human economic and social development.
An electric power production and consumption system composed of power generation, transmission, transformation, power distribution, and electricity consumption. It converts the primary energy of the natural world into electricity through mechanical energy devices, and then supplies the electricity to users through transmission, transformation and distribution.
It is an industrial industry that is mainly engaged in industrial production activities such as ferrous metal mineral mining and ferrous metal smelting and processing, including mineral mining and processing of metallic iron, chromium, manganese, ironmaking, steelmaking, steel processing, and ferroalloys Sub-industries such as smelting industry, steel wire and its products industry.
Metallurgy refers to the process and technology of extracting metals or metal compounds from minerals and using various processing methods to make metals into metal materials with certain properties.
The drainage method in which urban sewage and rainwater are collected, transported, processed and discharged by the urban drainage system.
