oxy-acetylene 氧-乙炔...oxy-acetylene flame 氧乙炔焰...oxy-flux cutting 氧熔剂切割...oxy-sulfonation 羟化磺化;羟化磺化作用...oxy-hydrogen flame 氢氧焰...oxy-Tobias acid 2-萘酚-1-磺酸...oxy-hydrogen welding 氢氧焊...oxy-starch 氧化淀粉...oxy-compound 氧基化合物;羟基化合物...oxy-arc cutting 氧气电弧切割...oxy-acid 含氧酸;羟基酸...oxy-acetylene welding 气焊;氧-乙炔焊...oxy-hydrogen cutting 氢氧焰切割...oxy acid 含氧酸...oxy welding 乙炔焊...
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