| 单词 | Gases,Volcanic |
| 释义 | Gases,Volcanic《英文msh词典》Gases,Volcanic [入口词] Gases,Volcanic [主题词] Volcanic Eruption [英文释义] The ash,dust,gases,and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor,and carbon dioxide,sulfur dioxide,hydrogen,carbon monoxide,and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms,4th ed) |
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