1. The greatest dangers of pyroclastic avalanches are probably heat and suffocation.
火成碎屑崩落的最大危害可能是炽热和窒息作用.
来自辞典例句
2. Pyroclastic Lamination - Maintains cool temperature in extreme heat.
火山层压 - 保持冷静,体温在极热.
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3. R . Schmidt ﹐ Descriptive Nomenclature & Classification of Pyroclastic Deposits & Fragments ﹐ Recomendation of IUGS Subcommision on the Systematics of Igneous Rocks ﹐ Geology ﹐ Vol.9﹐5﹐1981.
孙善平 ﹕国内外火山碎屑岩的分类、命名 、 历史及现状﹐《地球科学》﹐卷12﹐6﹐1987.
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4. The ore - a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite.
含矿岩系为双峰岩石组合,具火山碎屑岩-矿体 - 喷气岩“三位一体”特征.
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5. The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt , andesite, rhyolite and quartz.
火成岩的碎块成分主要为石英岩 、 岩 、 麻岩 、 武岩 、 山岩和流纹岩.
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用作形容词 (adj.)
Periods of volcanism are indicated by the presence of pyroclastic material in the formation. 群系中火成碎屑物的存在表明了火山酌的形成年代。
