单词：ammonium sulfite
[化] 亚硫酸铵
单词：ammonium sulfite 相关文章
In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa
发表于:2018-12-11 / 阅读(104) / 评论(0)
澳洲ABC新闻快递2011年
澳洲ABC新闻快递2011年
AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
发表于:2019-01-30 / 阅读(114) / 评论(0)
农业与发展
农业与发展