气瓶是一种压力容器，用于储存和容纳高于大气压的气体。在气瓶内，这些物体可以是压缩气体、液态蒸汽、以及超临界流体。这取决于物体的物理特性。常见的气瓶大多为细长形，阀门位于气瓶顶部，用于连接气体接收装置。[1]
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