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centre-bearing
 centre bearing
met. 中心轴承
| swing bridge
 swing bridge
bridg.constr. 平旋桥; 平转式活动桥; 旋桥; 旋开桥; 旋转桥
tech. 平转桥; 平开桥

to phrases
centre bearing
met. 中心轴承
tech. 轴承; 中心支承
centre-bearing swing bridge
: 12 phrases in 2 subjects
Rail transport1
Technology11