40英尺集装箱
参考答案:Y
解析:[精解] 归税号8609.0020。按已列目货品归类。
— How is that, Mary?
— I wonder ________ it takes to be a good teacher beyond patience and a great knowledge of kids. [ ]
A. how is it that
B. what it is that
C. how it is that
D. what is it that
造粒机转子及箱体均采用碳钢材料制成。