“联合制”造句

目前主要用联合制碱法生产碳酸钙纯碱.
At present mainly uses the union system alkaline process production calcium carbonate soda ash.

它的工业制法主要有氨碱法和联合制碱法两种.
Its industry facture mainly has the ammonia soda law and the system alkaline process two kinds.

• #联合制