昨天我买了一件羊毛毛衣。
纺织厂羊毛和混纺毛织物生产是由两部分组成，羊毛毛条制造和混纺毛织物加工。
The wool and wool blends segment of the textile mill products industry consist of two parts, wool top making and wool blends finishing.
介绍了外端双扇摆门的原密封结构和改进后的密封结构，对比分析了硅橡胶条、尼龙毛刷和羊毛毛刷的密封性能。
The original seal structure and the improved seal structure of the double-leaf swing door at the outside end are described.
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