[人名] 费尔茨;
These felts, manufactured mainly from wool, had low vertical permeability and poor service life.
这些毛毯生产主要来自羊毛, 具有低的垂直渗透率和差的使用寿命.
At the beginning, main processes will be cutting and sewing of felts.
初期的业务包括滤毡的分切和缝制.
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