Specification matching calculations are made for the main hydraulic components such as the main pump, valves and oil cylinder and some main static specifications in the system are also calculated.
对液压部分进行了主要元件如主泵、阀和液压缸的主要参数进行了匹配计算，并对系统的一些主要静态指标进行了计算。
Circular degree of cylinder, quality and specification of clad steel must be paid attention to in the course of design and manufacture in order to improve heat transfer efficiency.
设计时为了提高传热效率，必须注意筒身圆度和复合钢板的质量与规格。
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。
This paper analyses the specification and type testing of cylinder valves for non-refillable cylinders at home and abroad.
对非重复充装瓶阀的技术要求和型式试验采用的国家标准和欧洲标准进行了比较分析。
This paper analyses the specification and type testing of cylinder valves for non-refillable cylinders at home and abroad.
对非重复充装瓶阀的技术要求和型式试验采用的国家标准和欧洲标准进行了比较分析。
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