Boart Longyear is the leading provider in the areas of exploration and mining in the world, and enjoys a high reputation in global drilling industry.是什么意思_Boart Longyear is the leading provider in the areas of exploration and mining in the world, and enjoys a high reputation in global drilling industry.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句