In 1905, Swedish engineers invented automatic Lancaster your heart out double ball bearings, bearing at the time the technology into a new era, SKF also was founded in 1907.是什么意思_In 1905, Swedish engineers invented automatic Lancaster your heart out double ball bearings, bearing at the time the technology into a new era, SKF also was founded in 1907.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句