pyrophosphoric怎么读，pyrophosphoric什么意思，pyrophosphoric短语和例句

1.The intumescent flame retardant melamine pyrophosphate was prepared by melamine and pyrophosphoric acid in solvent.

通过焦磷酸与三聚氰胺在溶剂中直接作用合成了膨胀型阻燃剂焦磷酸三聚氰胺。

2.The intumescent flame retardant melamine pyrophosphate was prepared by melamine and pyrophosphoric acid in solvent.

通过焦磷酸与三聚氰胺在溶剂中直接作用合成了膨胀型阻燃剂焦磷酸三聚氰胺。