冲孔; 打孔; 【连】 振幅; 冲程(①The surface quality of the cast product is dependent upon the shape of the oscillation curve of mold and oscillation parameters, such as stroke and frequency. 连铸坯表面质量取决于结晶器振动曲线形状和振幅、振频等振动参数。② Takeuchi et al. demonstrated that the pressure in the flux channel is influenced by oscillation parameters such as stroke and frequency. 武内等人论证了保护渣通道内的压力受诸如振幅和振频等振动参数的影响。)