deechand wrote: 1. 结´¹ªk+¨I¾ýªkªº°£ÁCì²z ¥i²K¥[¶tÂ÷¤l¦p´â¤Æ¶t CaCl2 ¦³§Uµ²´¹¤£·»ÆQ. ¡@10Ca2++2OH-+6PO43-¡÷[Ca10(OH)2(PO4)6]úJ¥h°£¹F90%¦bPH =9~9.5
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