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Practices have proved that quick advancing techniqe is applicable in isolated unmined area Comprehensive top coal caving face.
实践证明,孤岛综放工作面快速推进技术是可行的。
" To overturn something" is to flip it over, to make the bottom be facing the top, and the top facing the bottom.
“翻” 就是把它翻过来，使底对着顶， 顶对着底。
依恋情感网英汉例句词典收录3870147条英语例句词条，基本涵盖了全部常用英语单词的释义及例句，是英语学习的有利工具。