奥尔德林当时使用的是毡制粗头笔，它的尖头是不导电的，接触开关不会造成短路或引发火花。
Aldrin relied on a felt-tip marker, since the non-conductive tip would close the contact without shorting it out, or causing a spark.
所有瑕疵需要用粉笔或者毡制粗头笔标识以便修补。
All imperfections shall be identified and marked for repair with chalk or felt-tip marker.
漏涂仪显示的漏涂区域用粉笔或毡制粗头笔标识。
Holidays indicated by the detector shall be marked with chalk or felt-tip marker to identify the area to be repaired.
得出了一种固定孔隙的制样方法，用此制样方法可观察到滤毡截面的真实形貌，从而有效地分析滤毡中粗细纤维的配比和各层的孔隙率。
The method of sample preparation by pore fixing was described. The results showed that it was a good method for studying irregular porous structure and the related ratio of felt.
我厂设备先进，技术力量雄厚。主要生产各种规格工业羊毛毡、民用羊毛毡、毡制零部件及皮毛制品。
Many kinds of felts including of industrial woolen felt, and civil woolen felt and products of woolen felt are made by advanced equipments and with process technology.
我厂设备先进，技术力量雄厚。主要生产各种规格工业羊毛毡、民用羊毛毡、毡制零部件及皮毛制品。
Many kinds of felts including of industrial woolen felt, and civil woolen felt and products of woolen felt are made by advanced equipments and with process technology.
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