silk-covered wire 丝包线

triplex silk covered wire 三层丝包线

single silk covered wire 单丝包线 ; 单层丝包线

enamel silk-covered wire 丝包漆包线

double silk-covered wire [电] 双丝包线 ; 双层丝包线

enamel double-silk-covered wire 双丝包漆包线

enamel doubled-silk covered wire 双丝漆包线

single cotton double-silk covered wire 单纱双丝包线

double-silk covered wire 双丝包线