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焊缝管 hànfèngguǎn
chem. welded pipe
oil butt welded pipe
tech. butt-welded pipe; jump welded pipe; jump welded tube; welded tube; weld seam pipe
焊缝〔接〕管
earth.sc. welded tube
焊缝 管
: 51 phrases in 8 subjects
Architecture1
Bridge construction1
Drilling1
Electronics1
Metallurgy21
Oil / petroleum7
Technology18
Wind Energy1