病房里有一个氧气瓶，以防万一。
它甚至还随身携带氧气瓶。
所使用的氧气瓶、乙炔瓶有爆炸危险。
The air tank and acetic tank that been used has the potential of explosion.
用手表来计算氧气瓶中气体的供应量。
还有多余的氧气瓶吗？
她几乎无法走路了，她的卧室里装上了氧气瓶。
She was barely able to walk and she had oxygen cylinders fitted in her bedroom.
他们或通过防毒面罩，或携带沉重的氧气瓶进行呼吸。
They breathe through uncomfortable respirators or carry heavy oxygen tanks on their backs.
随身带着一大堆干粮、氧气瓶、笨重的衣服，那多累人啊！
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！
It is very tired to carry a lot of food, oxygen bottle and thick clothes.
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