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подкиселяване form.
agric.	zkyselení; přikyselení
chem., soil.	okyselování alkalických půd (на алкални почви)
econ.	acidifikace životního prostředí
подкиселяване Добавяне на киселина в разтвор, докато pH стане по-ниско от 7 (pH<7) form.
environ.	acidifikace

подкиселяване: 3 phrases in 2 subjects

Construction	2
Environment	1