Its research and production status are generalized in the paper. Simultaneously, exploitation on substrate materials with high porosity and thin wall is the pivot.
笔者对这两类载体的研究及生产现状作了概括，提出开发高孔隙率、壁薄的载体材料是目前研究的重点。
Its research and production status are generalized in the paper. Simultaneously, exploitation on substrate materials with high porosity and thin wall is the pivot.
笔者对这两类载体的研究及生产现状作了概括，提出开发高孔隙率、壁薄的载体材料是目前研究的重点。
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