求翻译：学工业反应系统、制盐、制碱、制硝、氧化铝、制糖、酸洗和结晶工艺流程作为强制循环泵，在市政及农业排灌中亦广泛应用。是什么意思？

Chemical Industry reaction system, salt, caustic soda, made saltpeter, alumina, sugar, pickling and crystallization process as forced circulation pump is also widely used in municipal and agricultural irrigation.

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Industry reaction systems, salt, soda, nitrate crystallization process, alumina, sugar, pickling and as a forced circulation pump, also widely used in municipal and agricultural irrigation and drainage.

Studies the industry reaction system, the salt-making, the system alkali, the system niter, the aluminum oxide, the system sugar, the acid pickling and the crystal technical process achievement forces the circulating pump, also widely applies in the municipal administration and the agricultural irri