At the 45th SAMPE Conference and Exhibition there are 8 famous carbon fibers corporations and incorporations in the world exhibiting their carbon fibers and composites products.是什么意思_At the 45th SAMPE Conference and Exhibition there are 8 famous carbon fibers corporations and incorporations in the world exhibiting their carbon fibers and composites products.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句