答案:高压气罐High pressure tank常见的有球形罐和圆筒形卧式罐Common are spherical tank and cylindrical horizontal tank常压气罐Atmospheric pressure tank高压管束High pressure tube bundle低压气罐Low pressure tank有湿式和干式两种There are wet and dry特点 :储气容积能在一定范围内变化Characteristics: gas storage volume can be changed in a certain range