题目内容
为准确测置胎儿的股骨长径，应使声束尽 可能（ ）
2021-10-14
A.与股骨长径保持垂直（卯° )
B.与股骨长径保持平行（0° )
C.与股骨长径保持倾斜（45° )
D.与股骨长径保持倾斜（60° )
E.与股骨长径保持倾斜（30° )
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25738' and id < 2163353 and id<>'2163353' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25738' and id > 2163353 and id<>'2163353' order by id asc limit 5