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каменная дрена stresses
construct.	filter drain; blind drain; spall drain; rockfill drain
Makarov.	rubble drain; rock drain; stone-filled drain
tech.	drystone drain; stone drain
каменная "дрена"
agrochem.	stone garland

каменная дрена: 5 phrases in 3 subjects

Construction	3
Makarov	1
Road works	1