S45C‚ðØ킵‚½H‹ï‹d‚¢–Ê–€–Õ•”‚É‚¨‚¯‚é•t’…Œ³‘f•ª•z
ƒZƒ‰ƒ~ƒbƒNƒX Al2O3Œn
10ƒÊm