... oxy-hydrogen welding 氢氧焊接 oxyacetylene torch 氧炔焊炬 oxyacetylene welding 氧乙炔焊接 ...
基于130个网页-相关网页
... 氧炔切割：gas cutting 氧炔焊炬：oxyacetylene burner 氧气探漏器：helium leak detecter ...
基于70个网页-相关网页
短语
氧乙炔焊炬
oxy-acetylene torch
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oxyacetylene torch
oxyacetylene burner
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