不能增加混悬剂物理稳定性的措施是
A．增大粒径分布B．减小粒径C．降低粒径与液体介质间的密度差D．增加介质黏度E．加入絮凝剂
参考答案：A
John can't speak English as _________ as Tom, but he is ________at
Chinese.[ ]
A. well; good
B. good;wf.1l
C. good; good
D. well, well
调度自动化系统的主要技术是电子计算机技术。
