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support ring
avia. 支承环
el.mach. 端箍
met. 【铁】支圈
oil 支撑环; 支承圈
tech. 护环; 环形支架
support ring: 35 phrases in 7 subjects
Electric machinery7
Electronics4
Gymnastics1
Hydroelectric power stations3
Metallurgy6
Nuclear and fusion power1
Technology13