石墨甚至其线性物 聚苯,过于不溶, 不溶和发脆.Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble, infusible, and brittle.结果表明,B值较客观地反映了纸质发脆的程度.The results show that B - value can objectively measure the degree ...

“发脆”的英语可以翻译为：[化] embrittlement ...