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涨圈 zhàngquān
compr. piston ring
el.mach. impermeable ring
met. caulking ring; cup; seal ring; sealing ring
涨 〔轮〕圈
tech. ring
涨圈: 28 phrases in 11 subjects
Automobiles3
Aviation3
Bridge construction1
Electric machinery3
General1
Metallurgy1
Oil / petroleum2
Plastics1
Rail transport1
Space3
Technology9