... hydraulic open-die forging press 开口模锻水压机 hydraulic packer 水力式封隔器 hydraulic panel 液压操纵板 ...
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文章详细信息 关键词： 煤层气;;近水平孔;;水力封隔器;;集气装置 [gap=487]Keywords: coalbed methane;sub horizontal drilling;hydraulic packer;gas collecting device
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hydraulic packer holddown [油气] 水力封隔器定位器
Metal hydraulic packer 金属液压打包机
Sponge hydraulic packer 海绵液压打包机
Costume hydraulic packer 服装液压打包机
downhole hydraulic packer 水力封隔器
barrel-type hydraulic packer 桶式液压打包机
Semi-automatic hydraulic packer 半自动液压打包机
oil cylinder of hydraulic packer 液压打包机油缸
hydraulic mechanical packer 水力机械式封隔器
The creep phenomenon of slow moving oil cylinder of hydraulic packer badly influences the work quality of the hydraulic control system.
液压打包机油缸的低速爬行现象严重影响液压控制系统的工作质量。
A hydraulic packer typically is set using hydraulic pressure applied through the tubing string rather than mechanical force applied by manipulating the tubing string.
一般地，经油管柱施加液压压力而不是由操纵油管柱施加机械力使封隔器坐封。
Formation center tester (FCT) is made up of hydraulic power joint, double PACKER joint, opposing infuse joint, numeric pump exhausting joint, sensor joint and sampling tube joint.
钻井油气层测试器是由液压动力短节、双packer短节、反向注入短节、数字泵抽短节、传感器短节和取样筒短节组成的。
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