They're trying to blast away the face of the rock.
他们试图炸开岩石的表面。
Sometimes the melted rock comes out with a great blast of pressure.
有时熔岩会迸发而出，产生巨大的爆破压力。
Analysis of blast mechanism has revealed the qualitative relationship of rock behaviour with blast effect.
根据爆破机理的分析，得出了岩性与爆破效果的定性关系。
To make the tunnel, engineers will have to blast through solid rock.
为了开通隧道，工程师们将炸通硬岩石层。
To make the tunnel, engineers will have to blast through solid rock.
为了开通隧道，工程师们将炸通硬岩石层。
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