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变径管 biànjìngguǎn
met. reductor; stepped taper tube; tube with variable diameter
oil adapter bonnet
tech. flat reducer (大小头); reducer (pipe); reducing conduit; reducing pipe; reducing tube; taper pipe
变径〔过渡〕管
gen. reducer
变〔异〕径管
gen. reductor
径管
met. stepped taper tube
变径管
: 34 phrases in 7 subjects
Compressors2
Drilling1
Ecology1
Hydroelectric power stations1
Metallurgy2
Oil / petroleum10
Technology17