firn limit

例句：

1. 1. The material has a fiber limit of 500 microns.
   这种材料具有500微米以下的纤维限制。
2. 2. The fiber limit is crucial for the strength and durability of the fabric.
   纤维限制对于织物的强度和耐用性至关重要。
3. 3. The fiber limit is determined by the maximum amount of fiber that can be extracted from the material.
   纤维限制是由从材料中可以提取的最大纤维量决定的。