During the course of polishing, there is always a best pressure point between workpieces and sand belt for the life of sand belt and the polishing efficiency.
工件在抛光过程中，无论为延长抛光带的寿命，还是为提高抛光的效率，工件与抛光带之间都存在一个最佳的压力问题。
Among the conclusion, point out how reach best construction efficiency, make it work low completion of cost in case of ensuring the quality of products not to reconnoitre subsequently.
结论中指出如何达到最佳施工效率，既而使勘察工作在保证质量的情况下更低成本的完成。
Among the conclusion, point out how reach best construction efficiency, make it work low completion of cost in case of ensuring the quality of products not to reconnoitre subsequently.
结论中指出如何达到最佳施工效率，既而使勘察工作在保证质量的情况下更低成本的完成。
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