The high tension electroceramics using Long Jiang county wollastonite as a main material were successfully developed first.
首次
江县硅灰石研制出了高压电瓷,并测试了其晶相组成和性
。
The high tension electroceramics using Long Jiang county wollastonite as a main material were successfully developed first.
首次江县硅灰石研制出了高压电瓷,并测试了其晶相组成和性。
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