中国主要煤矿资源图集(内部资料)的翻译：Atlas of China's main coal mining resources (internal information) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

China's major coal resources Atlas (internal data)

Atlas of China's main coal mining resources (internal information)

Chinese main coal mine resources atlas (restricted data)

China's major coal resources (internal)

Atlas of China's main coal mining resources (internal information)