Primary fracture were formed during the lava crystal and the secondary fracture generated during the volcanic reconstruction by tectonic movement, and wind action, solution.
原生裂缝是岩浆冷凝结晶过程中形成的裂缝；次生裂缝是火山岩及其原生裂缝系统受后期构造运动、溶蚀、风化等作用改造而形成的裂缝。
Local car hire agencies recommend taking out insurance for potential damage from volcanic ash or extreme wind.
当地租车中介会推荐游客购买用于理赔火山灰或极端大风造成损失的保险。
Earthquakes are of the earth's surface vibration, this is like the wind, rain, and lightning, debris flow, volcanic outbursts on earth, is often happened a natural phenomenon.
地震是地球表面的振动，这就像风、雨和闪电、泥石流、火山爆发一样，目前地球上经常发生的一种自然现象。
Earthquakes are of the earth's surface vibration, this is like the wind, rain, and lightning, debris flow, volcanic outbursts on earth, is often happened a natural phenomenon.
地震是地球表面的振动，这就像风、雨和闪电、泥石流、火山爆发一样，目前地球上经常发生的一种自然现象。
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