用海藻胶代替橡胶、石膏作牙科印模料，不仅价格便宜，操作简便，而且印出的齿形更准确。
It not only has reasonable price and convenient operation, but also can print exact teeth form with sodium alginate replacing the dentistry moulage material of rubber and gesso.
用海藻胶代替橡胶、石膏作牙科印模料，不仅价格便宜，操作简便，而且印出的齿形更准确。
It not only has reasonable price and convenient operation, but also can print exact teeth form with sodium alginate replacing the dentistry moulage material of rubber and gesso.
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