competent bed,competent beds是什么意思

网络释义

1)competent bed,competent beds,强岩层2)competent bed effectiveness-value,强岩层效应值

The concept of competent bed effectiveness-value,geological means,calculating method and drawing are introduced.

介绍了强岩层效应值的概念、地质内涵以及计算和编图方法。