扎止血带的时间不宜超过() A.160s B.200s C.120s D.240s 发布时间:2018-11-03 08:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 扎止血带的时间不宜超过()A.160sB.200sC.120sD.240sE.100s