英语语法分析

The high tension electroceramics using Long Jiang county wollastonite as a main material were successfully developed first.

首次利用龙江县硅灰石研制出了高压电瓷，并测试了其晶相组成和性能。

All these fulfil the quality requirement of electroceramics and the rectorite clay is a new-type bonding clay of electroceramics.

研究结果表明累托石粘土是一种新型的优质电瓷结合粘土。