这个錾字碑上写了什么样的内容?
而且,那个花纹是如何弄上去的,錾刻?
这是我厂为民族文化宫大厅制作的铜錾花吊顶。
The copper ceiling of the National Culture Palace hall is made by our factory.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
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