Applicable scenarios: agriculture, forestry, animal husbandry, sideline fishing, construction, property management, rail transit, government departments, education and sports, manufacturing, petroleum and petrochemical, coal metallurgy, power grid, operators, household | Applicable scenarios: agriculture, forestry, animal husbandry, sideline fishing, construction, property management, rail transit, government departments, education and sports, manufacturing, petroleum and petrochemical, coal metallurgy, power grid, operators, household |