water inrush from coal floor

• 底板突水

water inrush from coal floor的用法和样例：

例句

1. A new calculating method for the mechanical behaviours of floors with underground water inrush inlongwall mining is proposed in this paper.
   本文针对采场底板的层状结构特征，建立了分析采场底板突水问题的结构模型。