long-hole infusion coal mining method

例句：

1. 1. The long-hole infusion method is a revolutionary technique that has greatly improved the efficiency of coal mining.
   长孔注入法是一种革命性的技术，大大提高了煤炭开采的效率。
2. 2.In this method, the coal is first broken down into smaller pieces before being injected into the long holes drilled into the rock.
   在这一方法中，首先将煤炭破碎成更小的碎片，然后再将其注入钻入岩石中的长孔中。
3. 3. This method has proven to be highly effective in reducing environmental impact and improving safety standards in coal miningoperations.
   这种方法已被证明在减少环境影响和提高煤矿作业的安全标准方面非常有效。