The fluctuant and conventional drying technologies for22 mm-thick Birch( Betula platyphylla) were tested and compared.是什么意思_The fluctuant and conventional drying technologies for22 mm-thick Birch( Betula platyphylla) were tested and compared.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句