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1. | 砂筛 直角三角形_馆档网 ... "砂模铸轧锟"," sand roll" "砂筛"," sand screen" "砂筛机"," sand shaker" ... www.guandang.com | 2. | 安装滤砂管 在裸眼完井（open-hole completion）中，要在没有套管的油藏（reservoir）部分安装滤砂管（sand screen）或砾石充填（grav… blog.163.com | 3. | 筛砂机 进出口专业英语词汇(S1)|商贸常用英语词汇 ... sand remover 除砂器 sand screen 筛砂机 sand screening machine 筛砂机 ... www.hxen.com |
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