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！
Why? Oxygen bubbles in the bottle destroy the antioxidants.
原因为何？瓶内的氧气泡会使抗氧化剂失效。
Why? Oxygen bubbles in the bottle destroy the antioxidants.
原因为何？瓶内的氧气泡会使抗氧化剂失效。
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