| 摘要 |
A planatizing equipment has solid abrasive particles suspended in a liquid suspension. The solid abrasive particles have on their outer surfaces tiny, hard but brittle working edges and points. The liquid suspension medium and the solid abrasive particles have nearly the same density to prevent the brittle working edges and paints from sufficiently contacting and damaging each other. This significantly lengthens the useful life of the solid abrasive particles.
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