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单项选择题

藏獒,36kg,见呼吸困难,听诊肺部湿罗音。作胸部侧位X线摄影检查的最适拍摄条件是()(994-26)

A、50KVp,30mA,1.8S,70cm
B、60KVp,50mA,1.5S,80cm
C、70KVp,80mA,1.0S,90cm
D、80KVp,100mA,0.8S,100cm
E、90KVp,200mA,0.5S,110cm

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