例句與造句

1. Eco-Cement is eco-cement and yes it is a brand name TecEco has used since inception covering a blend of reactive magnesia and another hydraulic cement such as Portland cement and usually a pozzolan.
2. Wikipedia exists to record only so those who suggest the page be generalised need to be aware that eco-cement or Eco-Cement is a blend of reactive magnesia and another hydraulic cement such as Portland cement and usually a pozzolan.
3. It's difficult to find reactive magnesia in a sentence. 用reactive magnesia造句挺難的