题目内容
(请给出正确答案)
[单选题]
The abrasive()are embedded in the lap, or they may be carried through slurry
A.wheels
B.binders
C.particles
D.sands
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A.wheels
B.binders
C.particles
D.sands
A.low cost
B.fine-scale abrasive removal
C.softening and smearing of surface layers
D.high production