bellows joint
... Metal Bellows 金属膜盒 ; 金属波纹管 bellows joint 波纹管连接 ; 波纹管接头 bellows meter 皮囊流量计 ; 波纹管式差压流量计 ...
bellows connector
波纹管接头 bellows connector
exhaust bellows joint
flexible bellows joint
bellows expansion joint ; bellows expansion piece
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