正投影图能准确地反映物体的形状和大小，作图较麻烦，度量性差。
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Φ60H8/f7属于（）。
A. 基孔制间隙配合
B. 基孔制过渡配合
C. 基孔制过盈配合
D. 基轴制过渡配合
In actuality, there are many complex reasons ________ people are attracted to one another at the beginning, but remember ________ the attraction can often fade as quickly as it arrives.
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