back wash valve

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1.	反冲洗阀电力英语技术术语\|国电海明 ... 131.三通阀 three-way valve 132.反冲洗阀 back wash valve 133.取样阀 sampling valve ... www.spswc.com
2.	逆洗阀 valve-英汉词典-英中字典-速译通-解释意思... ... back valve 回动阀 back wash valve [化]逆洗阀 back-pressure valve 止回阀 ... www.fastdict.net
3.	凝汽器反冲洗阀科技标准术语词典--阀 ... 滑阀 pilot valve 凝汽器反冲洗阀 back wash valve 阀点 valve point ... www.cngspw.com

4.	锅炉电厂专用英汉电子... ... three-way valve 三通阀锅炉 132 back wash valve 反冲洗阀锅炉 133 sampling valve 取样阀锅炉 134 ... www.docin.com

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