normal portland cement

• 普通水泥

normal portland cement的用法和样例：

例句

1. The Binder usually used today is portland cement.
   现在使用较多的是普通水泥。
2. The paper introduces the principle and way of making the cement,and also analyzes the feasibitity to make building mortars instead of ordinary cement.
   本文介绍该水泥的配制原理与方法，分析了代替普通水泥配制建筑砂浆的可行性。