He was hammering the sheet of copper flat.
他正把铜片锤平。
Sheet metal shears for cutting the copper sheet.
钣金剪切割铜板材。
Sheet metal shears for cutting the copper sheet.
钣金剪切割铜表。
Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.
本发明是利用电镀法制备薄覆铜因瓦片材。
Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.
本发明是利用电镀法制备薄覆铜因瓦片材。
应用推荐