底吹气体流量(The bottom blown gas results in improved mixing of the metal bath, the degree of bath mixing increasing with increasing bottom gas flow rate. 底吹气体可以改善金属熔池的混合底吹气体流量越大，熔池混和程度越高。)
热流速度(A gap between the mold and strand causes the local rate of heat flow to diminish dramatically. The extent of this gap depends on the shrinkage of the shell. 结晶器和铸坯间的间隙引起局部热流速度急剧下降。该间隙的大小取决于坯壳的收缩量。)
