According to the ventilation requirements of Xuefengshan Tunnel of Shaoshan Superhighway, this paper puts forward the design scheme, and introduces its technical process.
针对绍山高速公路雪峰山隧道施工通风要求提出设计方案，介绍其工艺流程。
The implementation of the optimized design scheme has provided an effective way for the ventilation and temperature lowering in the deep mining in China.
方案的实施为国内深井开采通风降温技术提出了一条比较有效的途径。
Taking the practical project for examples, this paper introduces some reconstruction scheme for ventilation cooling of high-power motors in the steel plant, which use chilled water as cooling source.
本文以实际工程为例，介绍几种以冷冻水为冷源的钢铁厂大功率电机的通风冷却改造方案。
System structure and control scheme system design features The control system of ventilation units with centrifugal activation of interlocking and over-temperature protection.
系统的设计功能本控制系统具有离心通风机组的启动、互锁和过热保护等功能。
Finally a simple technical and economic comparison is made between the original ventilation system scheme and the improved one.
最后，本文对改进前后的方案作了简单的技术经济比较。
Then based on method of analogue, an optimal scheme of ventilation system is selected finally.
最后，依据类比法进行了方案优化确定了最优通风系统改造方案，得出了可靠的结果。
Then, the ventilation effect is improved obviously and costs are lowered after the implementation of the scheme.
该方案实施后，通风效果明显改善，通风费用降低。
Then, the ventilation effect is improved obviously and costs are lowered after the implementation of the scheme.
该方案实施后，通风效果明显改善，通风费用降低。
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