本文介绍了一种在现场用振动衰减系数来估计岩体质量的新方法。

This paper presents the field estimation on rock mass quality by means of vibrational decrement.

youdao

本文介绍了一种在现场用振动衰减系数来估计岩体质量的新方法。

This paper presents the field estimation on rock mass quality by means of vibrational decrement.

youdao