常見例句雙語例句Before the perforating, friendly operation system is easy for operator, change-over and die exchange only require a few manual adjustments.在沖孔生産之前，簡易的作業(yè)系統(tǒng)普通的操作人員也能輕而易擧的變換工作尺寸。The manufacturing method of the magic block comprises such main operations as material preparing, die stamping and perforating and protective layer painting.所述魔塊的制作方法包括備料、模壓制孔、塗刷保護層主要操作。ip.com 返回 perforating die