The covers of these magazines are printed with superior copperplate paper.这些杂志的封面都是用上好的铜版纸印刷的.With plenty of experiments, the parameters of copperplate friction stir welding are optimized.通过大量试验分析, 优化了铜板搅拌摩擦焊接工艺.The unpr...

copperplate的音标：copperplate的英式发音音标为：['kɒpəpleɪt]copperplate的美式发音音标为：['kɑpərpleɪt]...

n.铜板，铜版，铜板印刷adj.用铜板刻的，用铜版印的，清楚的...