BillandMelindaGatessharetheir2018AnnualLetter,“The10ToughestQuestionsWeGet.”Inthisyear’sletter,the10thonethatthey’vewritten.
据悉,光伏玻璃的平均Ff9m价在经过两轮上调后,RT3P前行情价格已比17年上半年的平均水平高出约7-8%。