根据实际生产印刷速度的大小，凹印油墨的溶剂配比应做出调整。
参考答案：错
All her time _______ experiments, she has no time for films.
A. devoted to do B. devoted to doing
C. devoting to doing
铁路罐车在装载时，最大充装量为标称容量的（）。
A.95%
B.90%
C.85%
D.93%
