覆砂层 meaning in Chinese
blanket sand
Examples
- The effects of some parameters such as mould temperature and its uniformity , the mould rotation rate on the surface roughness and uniformity of thinkness in the process of duplex , alterable - rotation coating are studied
研究了用变转速二次布砂工艺覆砂时，铸型温度及其均匀性和铸型转速等工艺参数对覆砂层厚度均匀性和表面粗糙度的影响规律。