在做周围血管检查时,应使多普勒声束与血流方向的夹角 A.<60° B.越大越好 C. 发布时间:2018-04-25 09:01 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在做周围血管检查时,应使多普勒声束与血流方向的夹角A.<60°B.越大越好C.保持完全平行D.保持固定角度E.>30°
题型:单项选择题 The professor ________ you at the party was my tutor (导师). A.making himself knowingB.making him known forC.making himself known toD.makes he known to 查看答案