Asked | Open questions | Answered
Points Date Pair Term / Answer given Level Status Gloss
4 Oct 9 '18 eng>vie actors / players thành phần tham gia pro closed ok
- Mar 14 '18 eng>vie sustainable waste-water treatment solutions giải pháp xử lý nước thải (mang tính) lâu dài pro open no
Asked | Open questions | Answered