oxygen bottle
常见例句
- I received an oxygen bottle and a safety lecture.
我还得到一个氧气瓶，同时参加了安全讲座。 - The reliability of oxygen bottle combustion disposing coal was studied.
同时，对氧瓶燃烧法处理煤样的可靠性进行了考察。 - It is very tired to carry a lot of food, oxygen bottle and thick clothes.
随身带着一大堆干粮、氧气瓶、笨重的衣服，那多累人啊！
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