... oxy-plane machine 氧刨机 oxy-propane cutting 氧丙烷切割 oxy-hydrogen welding 氩氧锂接 ...
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... 氧气库 oxygen store 氧气-丙烷焰切割 oxy-propane cutting 氧瓶燃烧法 oxygen flask combustion method; oxygen-flask method ...
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