The transition age between the 2 wood zones was at the 25th growth ring for red pine specific gravity arid at the 33rd growth ring for Taiwan red-cedar tracheid length.是什么意思_The transition age between the 2 wood zones was at the 25th growth ring for red pine specific gravity arid at the 33rd growth ring for Taiwan red-cedar tracheid length.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句