盲信者 发表于 2025-3-30 11:33:58
http://reply.papertrans.cn/25/2406/240503/240503_51.pngDAMP 发表于 2025-3-30 15:20:51
Book 1998prac tical means of fabricating electrical components and devices with lossless con ductors. Using liquid helium as a coolant, the successful construction and operation of high field strength magnet systems, alternators, motors and trans mission lines was announced. These developments ushered in