single silk covered wire 单丝包线 ; 单层丝包线

single silk-covered wire 单层丝包线

single silk enamel covered wire 单丝包漆包线

single silk-covered copper wire 单丝包线

single silk-covered enameled wire 单丝漆包线

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

single silk-covered co er wire 单丝包线

Single silk covered enamel wire 单丝漆包线

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