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образование шва stresses
tech.	surface folding (дефект отливки)

образование шва: 22 phrases in 13 subjects

Construction	1
Electrical engineering	1
Firefighting and fire-control systems	1
Food industry	1
General	2
Hydroelectric power stations	1
Metallurgy	3
Military	1
Oil / petroleum	2
Polymers	1
Road works	2
Technology	3
Welding	3