16=42=4;23=23=2×33×3=63;3×6=3×3×2=32.
故答案为4;63;32.
根据调节阀动作能源方式不同,调节阀分为哪几类?
下列哪项是国际学术会议的结束语句?()
A.In our paper,we proposed a new method(novel structure)…
B.This paper comments briefly on…
C.In closing I want tomention very briefly…
D.The last part of my report will be devoted to…