“熔离小球”按成分可分为3种类型：（1）高铁钛小球；（2）硫铁镍小球；（3）浅色硅铝质小球。
According to the major element compositions, three types of balls can be divided:(1)high Fe-Ti balls; (2)S-Fe-Ni balls; (3)light-coloreds.
“熔离小球”按成分可分为3种类型：（1）高铁钛小球；（2）硫铁镍小球；（3）浅色硅铝质小球。
According to the major element compositions, three types of balls can be divided:(1)high Fe-Ti balls; (2)S-Fe-Ni balls; (3)light-coloreds.
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