“变质剂”造句

研制了一种钇基重稀土变质剂.
A new type of Y base heavy rare earth modificator was developed.

介绍了一种新型复合变质剂及其变质工艺.
The paper introduces a new type composite modifier and modification technology.

变质剂对低合金白口铸铁的组织结构具有显著的影响.
The structure of low alloy white cast iron is significantly influenced by modifiers.

• #变质剂