big declivitous angle

• 大倾角

big declivitous angle的用法和样例：

例句

1. Through analyzing on the reason of large tilt angle face roadway destruction, corresponding efficient support measures are provided, and good technology economic results are made.
   通过对大倾角工作面沿空留巷巷道破坏原因的分析，提出了相应的有效支护措施，收到了良好的技术经济效果。