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。
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