 |
| Chinese | English |
| 跨度一厚度比 | span-to-thickness ratio |
| 跨米采煤工作面跨在或跨越上山、石门、大巷等巷道的采煤方式 | over-the-roadway extraction |
| 长度-跨度比 | length-to-span ratio |
|
| Chinese | English |
| 跨度一厚度比 | span-to-thickness ratio |
| 跨米采煤工作面跨在或跨越上山、石门、大巷等巷道的采煤方式 | over-the-roadway extraction |
| 长度-跨度比 | length-to-span ratio |