colluvial deposits 中文意思是什麼
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Colluvial deposits at the foot of valley slopes usually affect only narrow strips of valley bottom.
河谷坡腳處的崩積體通常隻影響到谷底較窄的地帶。 -
Digging measures for tunnel going through loose colluvial deposits and watery zone
通過鬆散堆積體和涌水地段的隧道掘進措施
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