Reasons to worry: Santa María's last big blast was one of the four largest volcaniceruptions in the 20th century, registering a VEI magnitude of 6 and leaving a 700-by-1,000 meter craterbehind.
列入关注的理由：20世纪四次最大规模的火山爆发，圣塔玛里亚就占了一次，记录的火山爆发指数(VEI)为6级，留下了一个直径为700-1000米的火山口。
The blast littered the suburban street with debris and left a one-meter-deep crater in the asphalt.
这条位于市郊的街道上散布着爆炸留下的残骸，并在柏油路上留下一个一米深的弹坑。
The blast, which occurred on Friday morning, caused the collapse of a 30-meter-high expressway viaduct in Mianchi County, Sanmenxia City.
爆炸事故于周五早上发生，造成三门峡市渑池县境内30米高的大桥坍塌。
BF blast moisture meter can effectively solve the problems of direct moisture measuring and accurate moisture adjustment.
高炉鼓风湿分测量仪有效地解决了湿分的直接测量和湿分调节的准确计量问题。
BF blast moisture meter can effectively solve the problems of direct moisture measuring and accurate moisture adjustment.
高炉鼓风湿分测量仪有效地解决了湿分的直接测量和湿分调节的准确计量问题。
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