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背面焊
 背面焊
el.mach. back welding
|
 缝
gen. sew
bridg.constr. joint; gap, slit
geol. suture
hydroel.st. slot
met. gap
sport. stitch

to phrases
背面焊
el.mach. back welding
tech. backing pass; back weld
背面焊
: 16 phrases in 9 subjects
Architecture1
Automobiles1
Construction1
Metallurgy5
Oil / petroleum3
Plastics1
Rail transport1
Technology1
Welding2