collapse formation factors 塌陷成因
formation collapse sticking 地层坍塌卡钻
formation collapse 地层坍塌
formation collapse pressure 地层坍塌压力
This paper briefly described geological environment and characters of collapses, analyzing condition and mechanism of collapse formation.
本文阐述其地质环境、塌陷特征，分析塌陷形成条件，探讨其形成机理。
The hot trail of material descending to the south forms a large distributed deposit, indicating a recent collapse of the lava dome and formation of a large debris avalanche.
从南坡坠落的拖尾熔岩，形成巨大的分散式沉积物，表明熔岩穹丘最近发生了崩塌，形成巨大的岩屑崩落现象。
It is believed there may be many different formation mechanisms including ancient magma flows and the collapse of subterranean lava tubes.
据信可能是由于多种原因造成的，包括古岩浆流动和地下熔岩道的崩塌。
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