单词：Amchlor
氯化铵,氯化亚,卤砂
单词：Amchlor 相关文章
BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E
发表于:2019-02-05 / 阅读(148) / 评论(0)
英语新闻
英语新闻
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
发表于:2019-02-08 / 阅读(170) / 评论(0)
VOA标准英语2010年(一月)
VOA标准英语2010年(一月)