engineering classification of rock mass 岩体工程分类法
classification of rock mass quality 岩体质量分级
classification of rock quality 岩体质量分类
classification of rock masses 岩体分类 ; 岩体分级
Identification and classification of rock 岩石的识别与分类
classification of rock mass 岩体分类方法
classification of rock pedigree 岩石谱系划分
blasting classification of rock 岩体可爆性分级
The microscopic study, description, and classification of rock.
岩性学对岩石的微观研究、描绘和分类。
The engineering classification of rock masses is one of the basic problems in rock mechanics.
岩体的工程分类是岩体力学的基本问题之一。
Engineering classification of rock masses may be regarded as an important aspect of assessing rock mass conditions for engineering purposes.
岩体工程分类可以作为工程目的而估计岩体情况的重要方面。
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