钻井液静止1分钟后所测之切力称为初切力,用θ1表示。
参考答案:对
8. The ________ goal of the book is to help bridge the gap between research and teaching, particularly the gap between researchers and teachers.
A.joint
B.intensive
C.overall
D.decisive
休克病人在哪种情况下,应及时应用血管收缩剂:()
A.不能及时补充血容量
B.心功能不全时
C.全身给予抗生素防止肺内感染
D.血容量基本补足,循环状态仍未好转
E.尿量恢复后