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搭接焊缝
el.	lap weld
hydroel.st.	overlapped joint weld
met.	lap seam weld
plast.	strip weld
polym.	lap joint
tech.	lap-joint fillet weld; lapped welding joint; ledge joint; ledge jointing

搭接 焊 缝: 14 phrases in 3 subjects

Metallurgy	7
Oil / petroleum	3
Technology	4