题目手术中有较广泛渗血时,可用℃的湿 盐水纱布压迫止血。A. 30-40B. 40-50C. 50-60D. 60-80E. 80-90手术中有较广泛渗血时,可用℃的湿 盐水纱布压迫止血。A. 30-40B. 40-50C. 50-60D. 60-80E. 80-90题目解答答案B. 40-50