带珠的预制坯可以由丝（一串珠）和席片（两维和三维阵列 的珠）构成。
The beaded preforms may be comprised of a filaments (single strand of beads) and mats (two-dimensional and three dimensional arrays of beads).
带珠的预制坯可以由丝（一串珠）和席片（两维和三维阵列 的珠）构成。
The beaded preforms may be comprised of a filaments (single strand of beads) and mats (two-dimensional and three dimensional arrays of beads).
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