OS has various meanings in the China category. Discover the full forms, definitions, and usage contexts of OS in China.
One of many contact sealing devices used to reduce or eliminate oil leakage or to exclude foreign matter from a lubrication system. Oil seals are generally used on moving parts while gaskets seal non-moving parts such as housing. (Lip Seal) (Gaskets) or Oil seals are the protective agents which help to keep oil inside, It is lock the oil inside the oil chamber.
ChinaStorage of classified information within an accredited facility, but not in General Services Administration approved secure containers, while the facility is unoccupied by authorized personnel.
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