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качающаяся рама stresses
construct.	swing frame (станка); jigging frame
Gruzovik, bridg.constr.	rocking trestle (for launching spans, bridges)
leath.	swing frame
mil.	rocking frame (vehicle-movement-simulator used for tank-firing training)
mil., tech.	rocker bent (с шарнирными опорами); swing frame (лесопильной рамы)
nautic.	rocker
wood.	oscillating frame

качающаяся рама: 3 phrases in 2 subjects

Military	2
Textile industry	1