由于爆破片的泄放面积可以根据工艺要求事先确定,故能达到()的情况。
A.泄压速度快,泄放量小
B.泄压速度快,泄放量大
C.泄压速度慢,泄放量小
D.泄压速度慢,泄放量大
参考答案:B
— ________ I remind you of is to return the book to our English teacher.
— I will give it to him _________ I see him. [ ]
A. That; immediately
B. What; the moment
C. What; while
D. Whether; once
治疗顽固性呃逆的药物是()
A.地西泮
B.异丙嗪
C.苯妥英钠
D.氯丙嗪
E.乙琥胺