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钻机底座
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钻机底座
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钻井装备
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rig substructure
钻机底座
在钻机使用中,用于安装钻井设备、方便钻井设备的移运、传递作业载荷,并提供钻井作业操作场所和井口装置安装空间的钢结构。
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Nanjing central underground expressway
Nanjing Changjiagn Disandaqiao
Nanjing Cine-Equipment Manufactory
Nanjing city
Nanjing City in Ming dynasty
Nanjing City Walls
Nanjing Dashengguan Yangtze River Bridge
Nanjingdaxue
Nanjing Dinghuaimen Yangtze River Tunnel
Nanjing Fingerprint Museum
Nanjing Forestry University
Nanjing Funeral Parlor
Nanjing Gang
Nanjing Geological Museum
Nanjing Geological School
Nanjing Guanghua Photo Studio
Nanjing High-Tech Industrial Development Zone
Nanjing History Museum of the Ming City Wall
Nanjing Hydraulic Research Institute
Nanjing Incident of 1927
Nanjing Institute of Astronomical Optics & Technology
nanjing institute of environmental sciences,ministry of ecology and environment
Nanjing Institute of Geography & Limnology,Chinese Academy of Sciences
Nanjing Jiangbei New Area
Nanjing Jiangnan Theatre
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