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подошва волны stresses
gen.	wave trough (of wave)
ecol.	trough
geogr.	trough of wave
Makarov.	valley
nautic.	wave trough; wave hollow; way trough
navig.	hollow of wave; lowest point of wave trough
shipb.	hollow of a wave; trough of the sea
sport.	trough (сёрфинг Natalya Rovina)
подошвы волны
nautic.	wave trough

подошва волны: 7 phrases in 3 subjects

Nautical	4
Shipbuilding	2
Sports	1