scum valve

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1.	上排污阀轮机英语核心词汇总结 - 豆丁网 ... blow down valve 下排污阀 scum valve 上排污阀 scum 浮渣 ... www.docin.com
2.	除渣阀车载灭火器型号2... ... 液位探测电极 liquid level electronic probe 除渣阀 scum valve 自动出油阀 automatic oil outlet valve ... blog.sina.com.cn
3.	浮渣吹泄阀造船工程英语词汇S-9... ... 浮渣盆 scum pan 浮渣吹泄阀 scum valve 锅炉上部排污[吹泄]阀 scum valve ... www.scientrans.com

4.	锅炉上部排污阀造船工程英语词汇S-9... ... 浮渣吹泄阀 scum valve 锅炉上部排污[吹泄]阀 scum valve 排水孔 scupper ... www.scientrans.com

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