这个词是什么意思？
Sulfur hexafluoride. An inert gas used mainly as a test gas in respiratory physiology. Other uses include its injection in vitreoretinal surgery to restore the vitreous chamber and as a tracer in monitoring the dispersion and deposition of air pollutants.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013459 · MeSH 2026。
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