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 ...
The old sorceress slunk in with a sneering smile.老女巫鬼鬼崇崇地走进来,冷冷一笑.The ladies'servant stood apart, with a sneering expression on his face.女士们带来的佣人站在一旁, 满脸鄙夷之色." What are you sneering at? "“ 你冷笑什么? ”I hate him . He�...