短语词组短語fine -blanking 精密沖裁fine abrasive blanking 精密沖裁ferrule fine -blanking 精密套沖hydraulic fine blanking press 精密沖裁液壓機fine blanking die [機]精沖模fine blanking die structure 精沖模結搆fine blanking pre 精密下料沖牀 返回 fine blanking