1.Ash ntoo: hardness yog siab, ceev yog loj, yuav tsis yooj yim Wood qib: nruab nrab thiab qib siab Lub sij hawm: 40-50 xyoo Ntoo grain ncaj, ntoo hnyav toughness thiab siab zog, mechanical bearing muaj peev xwm zoo heev. . Ntoo ua, lacquer, polishing perfor...
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