Sulfur hexafluoride (SF6) gas is the first synthesis of two French people, has not yet found its natural products in nature.
六氟化硫（SF6）气体是两个法国人首次合成，至今仍未在自然界找到它的天然产物。
NOTE SF6 is a potent greenhouse gas and its use is discouraged.
六氟化硫（SF6）是一种潜在的温室气体，不鼓励使用。
For applications where middle frequency acoustic performance is critical (e. g. speech), insulating glass units can benefit from being filled with sulfur hexafluoride (SF6) gas mixtures.
对于那些中频声音性能在其中起着关键作用的应用(比如语音)，用六氟化硫(SF6)混合气体填充绝缘玻璃元件大有裨益。
However SF6 introduces a significant resonance at 200 Hz to 250 Hz and, for noise dominated by low frequency components, such as traffic noise, this might be detrimental.
只是，六氟化硫（SF6）在200赫兹到250赫兹这个频段会产生很大的回声，而这对于主要为低频率成份构成的噪声比如交通噪声的应用而言可能会有害。
The working principle and system characteristics of a kind of "small-sized factory" with new design, the RF series regenerative system for SF6 recycling purification, were introduced.
介绍了一种设计新型的可移动的“小型工厂”即RF系列六氟化硫回收净化再生系统，及其工作原理、系统特点。
The Zhuhai based company specializes in manufacturing and marketing fully capsulated SF6 insulated medium voltage switchgears of superior quality.
企业总部设立于珠海，专业从事于高质量、全六氟化硫气体绝缘中压开关设备的生产及推广。
For the past few years, a new kind of SF6 switch with graphite contactor had been released by Siemens.
近几年，西门子公司推出了带石墨触头的新型六氟化硫开关。
For the past few years, a new kind of SF6 switch with graphite contactor had been released by Siemens.
近几年，西门子公司推出了带石墨触头的新型六氟化硫开关。
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