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manual welding
avia. 手焊
el.mach. 手动焊接
met. 手工焊接
space 手工焊
tech. 人工焊接; 手工焊按
manual weld
met. 手工焊接焊缝
tech. 手焊
manual welding
: 28 phrases in 6 subjects
Automobiles1
General1
Metallurgy6
Oil / petroleum2
Technology14
Welding4