Specification for cellulosic papers for electrical purposes. Part 3: Specifications for individual materials. Sheet 1: General purpose electricalpaper.
电工用纤维素纸规范。第3部分:单项材料规范。第1活页:一般用途电工纸。
2
Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.
早期的电力工人将它用作涂料,隔离缠绕在一起的线圈,还将注满了紫胶的纸一层层地压紧制成单独的绝缘物。
3
Electrical books reduce consumption of ink, paper and lumber.