使用金属砂作为过滤材料，对提高纤维的质量有重要作用。
As a filtration material, the metallic sand plays an important role for the improvement of fibers quality.
经实践证明：回用的金属砂能满足生产要求，降低了生产成本。
The practice shows that recycled metal sand filter can meet requirements of production and reduce production cost.
使用金属砂作为过滤材料，对提高纤维的质量有重要作用。文中对金属过滤砂的构造与性能进行了分析探讨。
As a filtration material, the metallic sand plays an important role for the improvement of fibers quality. Its structure and property are discussed in this paper.
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