Quick connector specification for liquid fuel and vapor emissions systems 液体燃料和蒸气喷射系统的快速连接头规范
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Steam projection system 蒸气喷射系统
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Vacuum technology ; acceptance specifications for diffusions pumps and vapour jet vacuum pumps for vapour pressures of the pump fluid 1 mbar 真空技术.流体蒸气压低于1mbar的扩散泵和蒸气喷射真