The electro-heater is an important equipment in the nitrogenfertilizerindustry, the temperature control quality has a direct effect on the economic benefit.
电加热器是氮肥工业中的重要设备，其温度控制的品质直接影响经济效益。
2
Central government support for agriculture subsidies and subsidies for fertilizerindustry, to some extent prompted the excessive use of nitrogenfertilizer.