其中，车用压缩天然气钢瓶的首次检验、第二次检验为三年一次，第二次检验后每二年进行一次。
Among them, the car with compressed natural gas cylinders for the first time test, a second test for three years, after the second inspection once every two years.
其中，车用压缩天然气钢瓶的首次检验、第二次检验为三年一次，第二次检验后每二年进行一次。
Among them, the car with compressed natural gas cylinders for the first time test, a second test for three years, after the second inspection once every two years.
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