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mud purification
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mud purification
Encyclopedia
理学
钻孔冲洗
释
mud purification
泥浆净化
在钻进过程中,为了重复利用返回地面的泥浆并保证泥浆性能满足钻进要求,将泥浆中携带的岩屑分离出去的工作。
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National Nature Reserve for Wetland in Jiuduansha,Shanghai
National Nature Reserve for Whooper Swan in Rongcheng, Shandong
National Nature Reserve in Beilun Esturay, Guangxi
National Nature Reserve in Changdao Island,Shandong
National Nature Reserve in Nanji Islands, Zhejiang
National Nature Reserve in Neilingding Island-Futian,Guangdong
National Nature Reserve in Tongguling, Hainan
National Naval Aviation Museum
National Negro Convention
National News Agency
National Newspaper of Radio, Film and television Excellent Manuscript selection
National New Technology Telescope
National Northwest Library
National Northwest Union University
National Nuclear Laboratory
National Nuclear Safety Administration
national nutrition week
National Observatory of Athens
national occupational health standard
national occupational health standards
national occupational health supervision and management system
National Oceanic and Atmospheric Administration
National Oceanic and Atmospheric Administration(US)
National Oceanic Resource Management Authority
National Oceanic Survey
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