In this paper,flax was retted by a new method and a discussion about the longitudinal structure and strength of the retting flax fiber was followed.是什么意思_In this paper,flax was retted by a new method and a discussion about the longitudinal structure and strength of the retting flax fiber was followed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句