³³²¡»W¼ö²y¡@¡@Ceramic regenerative ball
»W¼ö²y¨ã¦³°ª·Å²ü«³n¤Æ·Å«×¡B@»G»k¡B»W©ñ¼ö¶q¡B¼ö¾_éw©Ê¡B¾É¼ö©Ê¯àµ¥¯SÂI¡C