— What's your _____________?
— I like listening to music.[ ]
A. name
B. hobby
C. job
答案:B
升华时供热过快,局部过热
A.干热空气灭菌B.流通蒸气灭菌C.热压灭菌D.紫外线灭菌E.滤过除菌
种类物