life-saving suit 救生服
Variable Frequency room Air-Conditioner can adjust its capacity to suit the cooling load of air-conditioned rooms, which makes it can create more comfortable indoor environment and much energy saving.
变频房间空调器容量可随室内负荷变化调节，节能且可改善空调的舒适性，然而其节能机理还有待于研究。
They suit north and south water system respectively, and are good to be popularized and applied with water-saving, environmental protection and a longer equipment life.
介绍了这些水处理剂在节水、环保、延长设备使用方面的作用和价值。
It is proved that the apparatus has the features of good suit-ability for wide ranges of pipe diameters, simple structure, energy saving and better forming quality.
生产实践证明，此装置具有适用管径范围大、结构简单、节能、成型质量好等特点。
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