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longitudinal seam
bridg.constr. 纵缝
el. 纵向接缝
nucl.pow.
oil 纵向焊缝
steel. 纵向缝
tech. 接缝
longitudinal seam
: 12 phrases in 6 subjects
Bridge construction1
Hydroelectric power stations1
Metallurgy1
Oil / petroleum1
Steel production1
Technology7