Cartons of 20 kilos 5- ply weight 950gr.m2 and strength 250lb about是什么意思

指的是纸箱的要求，但具体是什么？

there are ( ) cartons of milk 是How many kilos of meat 还是How much kilos of meat 15-How many cartons of orange juice do you need? Tow kilos of apples is enough.语句是否正确 "I want to buy a kilo of apples,2 kilos of pears and 3.5 kilos of eggs.How much should I pay? 英语问题:Two kilos of fish is enough.语句是否正确? How mangy kilos of water needed in your baby every day ? A.was B.is C.are D were cartons per Euro-pallet The incomplete cartons are to be marked... 翻译：轻的英文和Kilos