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площадь поверхности горения stresses
astronaut.	burning surface area
energ.ind.	burning surface area (в топке котла)
mil., artil.	burning surface
mil., avia.	area of burning surface
tech.	burning-surface area
weap.	burning area (ABelonogov)

площадь поверхности горения: 14 phrases in 3 subjects

Astronautics	12
Firefighting and fire-control systems	1
Weapons and gunsmithing	1