Water treatment process for unpolluted surface water contains: influent, coagulation, ______ , ______ , disinfection, water supply network. (only one word for each blank)
举一反三
- Which one is not the common source of injection water: A: surface water B: ground water C: distilled water D: oil polluted water
- The performance of coagulation process will be better when low-turbidity water is treated.
- When practicing at the water's edge, one should (). A: surface water B: back to the water to practice C: Practice side to water D: Practice away from the water
- The performance of coagulation process will be better when low-turbidity water is treated. A: 正确 B: 错误
- Which one is not the major facility of water injection station: A: high-pressure pump system for improving injection pressure B: Christmas Tree C: flowmeter for measuring water rate D: the surface network for flowing in and out