negative mould meaning in Chinese

立体地图阴模

Then the rp model is used as a positive mould to build up a silica gel negative mould , the negative mould is sent to the factory to manufacture ti - 6al - 4v alloy articular cartilage through ordinary mould - melted founding process
模具经抛光后，用硅胶翻模，最后浇注腊模，在西北有色金属研究院进行精密铸造，得到钛合金厂人工关节软骨。经后期抛光等处理，得到可用于临床的人工关节软骨。