The article introduced that reforming the material carrying system of synthetic ammine,it could reduce the energy and rise economic benefit.

对淮化老合成氨原料输送系统进行了改造,达到了节能降耗,增加经济效益的目的。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳动对象是实践客体子系统,劳动者是实践主体子系统,劳动工具是实践中介子系统,生产力是实践系统的整体功能。