1-78=18;
答:差是18.
Part 4
Questions 26-45
How to Tell Which Side You Favor
A.assembling
B.making
C.finishing
D.packing
CT胶片在分类中属于
A.单面药膜感蓝片B.双面药膜感蓝片C.单面药膜感绿片D.双面药膜感绿片E.单面药膜色盲片