Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/520b7093d3029c71821bf999209cceb2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 lughole是什么意思,lughole的翻译,lughole音标、读音、用法和例句_奇葩剧汉英词典
The Application in He Gang Ming Group of Difficult Coaled Laneway's Long Wall and Lughole Explosion, Excavating Coal Techniques 难采煤层巷道长壁长孔爆破采煤工艺在鹤矿集团的应用