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burner nozzle
avia. 喷灯嘴
met. 烧嘴; 喷嘴
oil 喷灯喷嘴; 燃烧器喷嘴
tech. 喷灯射口; 燃烧喷嘴; 喷灯口
burner nozzle
: 5 phrases in 2 subjects
Metallurgy1
Technology4