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用电离子治疗机矫正音系带过短20例，治疗时间短，不出血．无需缝合，不感染，对儿童和青少年尤为适用。
With iontophoresis machine correction system is too short, 20 cases, treatment time is short, no bleeding. No need to suture, no infection, especially for children and adolescents.