标签:粉尘爆炸 相关文章
An initial investigation has indicated that the explosion at Kunshan could have been caused by dense clouds of dust that built up inside the workshop. But how does dust cause an explosion? Well, it's actually a well-known phenomenon. and the results
发表于:2019-02-03 / 阅读(89) / 评论(0)
CCTV9英语新闻2014年08月