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компенсационный зазор stresses
gen.	expansion joint (makhno); joint clearance (makhno)
auto.	clearance for expansion
met.	play for expansion
O&G. tech.	expansion clearance
railw.	expansion space
tech.	expansion gap; expansion; expansion seam (makhno); dilatation joint (makhno); slip joint (makhno)

компенсационный зазор: 2 phrases in 2 subjects

Rail transport	1
Technology	1