毡 毡的英文 英语翻译 feltfelt 拓展翻译 毡背心poroplastic jacket 毡垫圈felt 毡环felt ring 毡轮felt wheel 毡滤器felt filter 毡毛毛蕊花Verbascum thapsiformis Schraeder 毡毛山核桃Carya tomentosa; hickory 毡毛山核桃素caryin 毡帽terai 毡密封felt seal 毡磨盘felt disk 毡绉胶blanket crepe