nozzle flange
... nozzle flame 喷管火焰 nozzle flange 管口法兰 nozzle flapper 喷嘴挡板 ...
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管口翻边活套法兰 lap joint type loose flange
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异径管也叫大小头,两端管口直径不同,用于连接不同直径的管子或法兰进行变径。
Different-diameter pipe size head, also called tube diameter at different, used to connect different diameter of pipe or flange diameter changes on.
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