welding neck

短语词组

短语

• long welding neck 对焊长颈;长高颈法兰
• Butt Welding Neck Flange 带颈对焊法兰
• welding neck flanges 对焊法兰;预焊法兰
• welding neck collar 对焊环
• welding neck colla 对焊环
• welding neck flange [机]对焊法兰;高颈法兰;带颈对焊法兰;长颈对焊法兰
• WN -welding neck 带颈对焊法兰
• Steel pipe welding neck flanges 对焊钢制管法兰
• raised face welding neck flange 凸面对焊法烂;凸面对焊法兰
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