The material scatters installment made of the wear-resisting castingvolume production put it on top of the rotor, saves the cost, USES the bold fastening, convenient in service.
Again, lighting from the side, above, or below, by casting deeper and longer shadows, creates the sense of volume.
同样，侧光、顶光和底光能够在物体上投射出深而长的影子，从而制造出立体感。
3
The defects on pinhole bubble formed in slabs result from badness deoxidization, and the defects on large volume bubbles formed in slabs result from the high flux of argon during casting.