single cotton double silk covered
单纱包线 single cotton covered wire 单纱双丝包(的) single cotton double silk covered 单层环氧漆包圆铜电磁线 single epoxy-coated round copper magnet wire ..
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短语
单纱双丝包的
single-cotton double-silk covered
单纱双丝包线
single cotton double-silk covered wire