对车用压缩天然气瓶阀的技术要求进行了国内外的比较分析，并提出了合理的建议。
The specification of compressed natural gas cylinder valves for vehicles at home and abroad were analysed and some suggestion were put forward.
对车用压缩天然气瓶阀的技术要求进行了国内外的比较分析，并提出了合理的建议。
The specification of compressed natural gas cylinder valves for vehicles at home and abroad were analysed and some suggestion were put forward.
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