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Points Date Pair Term / Answer given Level Status Gloss
4 Feb 10 '13 esl>eng exitatriz exciter easy closed no
- Dec 3 '11 eng>esl a high pressure chemical reaction vessel un recipiente para reacciones químicas de alta presión easy closed ok
- Mar 4 '09 esl>eng alimentación de calderas de calefacción heating boilers feeding easy just_closed no
Asked | Open questions | Answered