制氮设备以空气为原料，利用物理的方法，将其中的氧和氮分离而获得。
只有制氮设备的稳定运行，才能保证氮气供应。
The supply of nitrogen gas can be ensured only by steady run of nitrogen generator.
制氮设备依靠分子运动理论，由空气中分离富集氮气，中空纤维膜是其关键技术所在。
Nitrogen-production equipment, in accordance with molecule movement theory, is to separate and enrich nitrogen from air, and hollow fiber membrane is the key.
油田用制氮设备冷却系统的特点是体积庞大，要求冷却的介质种类较多，可靠性要求高。
The made-nitrogen equipment for oil field needs a bulky cooling system that is not only compatible with many kinds of mediums but also with high dependability.
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