Waste oil

From Opengenome.net
Revision as of 11:56, 31 January 2006 by Yslee (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

기계등의 감마에 사용해서 열화한 윤활 능력을 저하시키는 기름