The dynamic interaction of these three groups makes the economy function.
这三部分人之间有力地相互作用，从而推动着经济的运转。
While the FGD equipment has a high requirement to the operation of boiler, its safety function and economy function restrict the choice of FGD system.
由于FGD装置的启停对锅炉运行工况有较高要求，其安全性和经济性制约着在建项目FGD工艺系统初期的定型工作。
While the FGD equipment has a high requirement to the operation of boiler, its safety function and economy function restrict the choice of FGD system.
由于FGD装置的启停对锅炉运行工况有较高要求，其安全性和经济性制约着在建项目FGD工艺系统初期的定型工作。
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