磷酸盐化标本的外层壁经常脱落，而暴露其具纹饰的中问壁。
In phosphatized specimens the outer wall is often peeled off, exposing the ornamented middle wall.
商早期青铜器范铸分型技术已具成熟的工艺设计思想，在素范面压塑纹饰的“纹饰压塑技术”出现；
The technology of pressing ornament on surface of mould appeared in early period of Shang, meanwhile, the piece-mould casting technology had specification;
应用推荐