Package and overpack use markings should be at least 12mm high, except for package of 30L or 30kg capacity or less when thsy should have a minimum height of 6 mm.是什么意思_Package and overpack use markings should be at least 12mm high, except for package of 30L or 30kg capacity or less when thsy should have a minimum height of 6 mm.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句