... 暖气阀 steam heat valve 管子套 pipe sleeve 平板阀 plate valve ...
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water pipe sleeve 水管套
pipe sleeve joint 管套接头
reduced pipe sleeve 异径管套
exterior plug pipe sleeve 外丝管套
tail pipe sleeve 尾管套
steam pipe sleeve 汽管套
steel pipe sleeve 钢管套袖
whole pipe sleeve drilling machine 全套管钻机
steam pipe joint sleeve 汽管接套
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pipe shroud , pipe casing
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