— ____.
— Nice to meet you, too. [ ]
A. Goodbye
B. Nice to meet you
C. goodbye
答案:B
降低固液界面张力,使接触角减小的为
A.抗氧剂B.润湿剂C.助悬剂D.絮凝剂E.反絮凝剂
救呆至神汤功效与作用