中上等烟叶比例要达到90%以上的翻译：Upper tobacco leaves in proportion of 90% or more 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Proportion of middle and upper leaves more than 90%

Upper tobacco leaves in proportion of 90% or more

The superior leaf tobacco proportion must achieve above 90%

on tobacco, such as in proportion to more than 90 per cent

Upper tobacco leaves in proportion of 90% or more