sheet was inmaterials and soda

• 纯碱

sheet was inmaterials and soda的用法和样例：

例句

1. Soda ash was obtained by calcining sodium bicarbonate.
   重碱经煅烧得纯碱，母液经蒸发得硫酸铵。
2. The calcined trona can replace soda ash for use in the flotation operation.
   经过煅烧的天然碱可以在浮选作业中代替纯碱使用。