E. g. : instrument processing and cutting of metal signs, ironing boards, atomic stamps, carbon plate in battery, copper stamp and small artworks.

如：仪器加工，金属标牌、烫金板、原子章、电池碳板、铜章、小型工艺元件切割等；

youdao

E. g. : instrument processing and cutting of metal signs, ironing boards, atomic stamps, carbon plate in battery, copper stamp and small artworks.

如：仪器加工，金属标牌、烫金板、原子章、电池碳板、铜章、小型工艺元件切割等；

youdao