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工业阀门 安装使用维护 一般要求
Installation,operation,maintenance of industrial valves.General requirements
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阀门密封面堆焊工艺评定
Overlaying-welding procedure qualification for valves sealing face
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铁制和铜制螺纹连接阀门
Cast iron and copper valves with screwed connections
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工业阀门.压力试验
Industrial valves.Pressure testing
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阀门.术语
Terminology for valves
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气动调节阀
Pneumatic industrial process control valves
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管线阀门 技术条件
Specification of pipeline valves
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弹簧直接载荷式安全阀
Spring loaded safety valves
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部分回转阀门驱动装置的连接
Part-turn valve actuator attachments
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多回转阀门驱动装置的连接
Multi-turn valve actuator attachments
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