Meanwhile, the Penjing plants must be grown in greenhouses with mesh screening of less than 1.6 mm 2 years before export, and 0.6 mm 6 months before export.是什么意思_Meanwhile, the Penjing plants must be grown in greenhouses with mesh screening of less than 1.6 mm 2 years before export, and 0.6 mm 6 months before export.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句