下列不属于减慢分层速度常用的方法
A.小乳滴的粒径
B.增加分散介质的黏度
C.降低分散介质与分数相间的密度差
D.降低温度
E.升高温度
参考答案:D
The Six-Party Talk ended up in failure again becausethe representative of DPR of Korea
refused to______on the nuclearproblem. [ ]
A. commit
B. compromise
C. concentrate
D. congratulate
电线积冰记事栏和天气现象栏,其雨凇、雾凇记录可否不一致?