The use of frequency convert to regulate the speed of rotation according to the character of mine fan can reach the goal of the modulation of air flow and have a very good effect of saving energy.
根据矿井通风机的特性，使用变频器进行转速调整以达到调节风量的目的，且有很好的节能效果。
The variable primary flow system is compared with the traditional water system of air conditioning, and function and character of modular chillers are introduced.
对变主流系统与传统的空调水系统进行比较，介绍了模块化冷水机组的性能特点。
The variable primary flow system is compared with the traditional water system of air conditioning, and function and character of modular chillers are introduced.
对变主流系统与传统的空调水系统进行比较，介绍了模块化冷水机组的性能特点。
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