In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子相互连接形成碳环。Made from cast iron, it is finished in graphite enamel.它是用铸铁制成，最后在外面搪了一层石墨。A powerful electric current is passed through a piece of graphite.给一块石墨通...
The increase of carbon equivalent is primary reason for graphite floatation.碳当量高是引起石墨漂浮的主要原因.In graphite sheets, carbon atoms bond together in rings...石墨层中的碳原子相互连接形成碳环。A powerful electric current is passed through a piec...
Never mind. Please don't go for it. I shan't want it.没关系. 请不要去拿了, 我用不着.We can't go, for it is raining.我们不能去, 因天正下着雨.When she heard about the chance for promotion, she decided to go for it.当她听到升迁的机会时, 她决定冒险...