题型:判断题 肛管排气法,肛管插入直肠的深度及保留肛管时间为A.7~10cm,不超过20minB.10~15cm,不超过20minC.10~15cm,不超过30minD.15~18cm,不超过20minE.15~18cm,不超过30min 查看答案