Katie, in her wheelchair with the oxygen tube , listening to a song from her husband and friends.
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Katie, in her wheelchair with the oxygen tube, listening a song from her husband and friends.
凯蒂，在着轮椅，吸着氧气，倾听丈夫和朋友唱歌。
Katie, in her wheelchair with the oxygen tube, listening to a song from her husband and friends.
凯蒂，在她的轮椅上的氧气管，听到一首歌，由她的丈夫和朋友。
In order to reduce the oxidation of contacts greatly (or eliminate it), the environment inside the glass tube is often pressurized with a gas that contains no oxygen.
为了大幅度降低(或者消除)触点的氧化，玻璃管内的环境往往是采用不含氧气的气体加压的。
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