单词：LSFO
[网络] 低硫；低硫燃料油(low sulfur fuel oil)；石灰石强制氧化
单词：LSFO 相关文章
Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new
发表于:2018-12-16 / 阅读(446) / 评论(0)
VOA标准英语2011年(八月)
VOA标准英语2011年(八月)