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The exposure in different sits of body surface inroentgenologists was lower than the permissible level.
放射科医生体表各部位的照射量均低于容许水平。
youdao
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The exposure in different sits of body surface inroentgenologists was lower than the permissible level.
放射科医生体表各部位的照射量均低于容许水平。
youdao