... 碳化物碳化钙 carbamide carbide ; carbide 碳化钙气烧焊 oxy welding 氧碳化钙气氧炔焊接机 oxyacetylene welding outfit ...
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oxy-welding 气焊
oxy-acetylene welding 氧乙炔焊接 ; 氧乙炔焊
oxy-hydrogen welding 氢氧焊接 ; 氢氧焊 ; 氢氧焰焊接 ; 氢氧熔接
oxy-arc welding 氧弧焊
oxy-accetylene welding 氧乙炔焊接
oxy-fuel gas welding 氧燃料气焊接
Oxy-acetylene Welding Glass 风煤焊镜
Oxy-fuel welding 可燃气焊接
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