单词：Krupp mill
筒端排矿式球磨机
单词：Krupp mill 相关文章
JUDY WOODRUFF: So, how meaningful are this weekend's pledges? And does it signal a fundamental change in how we will get our energy? Fred Krupp is the president of the Environmental Defense Fund. He's back from Paris. And Robert Bryce is a senior fel
发表于:2019-01-27 / 阅读(32) / 评论(0)
PBS访谈环境系列
PBS访谈环境系列
By Mike O'Sullivan Los Angeles 05 December 2006 Visitors to Hollywood often hope to catch a glimpse of the stars on the silver screen. Now, they can also get a peek at the stars in the sky at the Griffith Observatory, a longtime Hollywood landmark.
发表于:2019-02-07 / 阅读(83) / 评论(0)
2006年VOA标准英语（十二月）
2006年VOA标准英语（十二月）