当厚厚的岩浆和气体大量在地表下聚集起来，就会出现爆炸性喷发，将熔岩，岩石和火山灰喷向空中。
When thick magma and large amounts of gas build up under the surface, eruptions can be explosive, expelling lava, rocks and ash into the air.
爆炸荷载作用下软土地基产生的地表沉降由两部分组成，即固结沉降和竖向位移。
The ground surface settlements of soft soil ground under explosive loading are made up of two parts: consolidation settlement and vertical displacement.
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