题目内容
脉冲超声波固定法小剂量为（ ）。
2021-10-14
A.0.1 〜0.2W/cm2
B.0.3〜0.5W/cm2
C.0.5〜0.8W/cm2
D.0.9〜1.2W/cm2
E.1.5〜2.0W/cm2
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