Machinable materials including acrylic, double color boards, PVC, ABS board, stone, imitation stone, metal, aluminum plate and other materials.
可加工的材料包括亚克力、双色板、PVC、ABS板、石材、仿石材、金属、铝塑板等各种材料。
Methods The multicentre prospective, random, double-blind and imitation, positive-drug parallel control clinical trails are used.
方法采用前瞻性，随机双盲双模拟，阳性药平行对照，多中心临床研究。
Methods The multicentre prospective, random, double-blind and imitation, positive-drug parallel control clinical trails are used.
方法采用前瞻性，随机双盲双模拟，阳性药平行对照，多中心临床研究。
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