在焓差室中，可以准确地测定系统的制冷量、风量和耗功等技术数据。
Some system technical data were measured in the Psychometric Rooms, including refrigerating capacity, airflow volume and energy consumption.
我厂生产的空气压缩机，具有耗功小、寿命长、使用可靠，操作维护方便等特点。
The present serial air compressors feature the advantages of low energy consumption, long service life, reliable operation, simple maintenance and so on.
其结构简单、成本较低、使用寿命较长，适合于在林地内使用，且切削速度快、阻力小、耗功少。
It has simple structure, low cost, long service life, fast cutting speed, less cutting resistance and low power consumption and it is suitable for use in woodland.
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