Used as a fuel gas and chemical raw material,natural gas has many particular advantages,its economic value is uninterruptedly promoted in industry,agriculture and daily living.

• 天然气作为燃料和化工原料有许多独特的优点,它的经济价值在各工、农业部门和人们日常生活中不断提升,如何准确计量天然气是有关企业和人们十分关心的问题。