...项目集 semi-frequent itemsets 由下而上 Bottom-Up 最大半高频项目集 maximal semi-frequent itemsets 测试包装机 Test Packer 测试包装机 Test Packer 主电源 main power 主控制系统 master control system 操作接口 operation interface 单色触控屏幕.
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packer permeability test 压水试验 ; 压水渗透试验
packer test 压水试验
post-test packer 套管井测试封隔器
straddle-packer test 跨式双封隔器地层测试
single-packer test 单封隔器地层试验
packer pressure test 封隔器压力试验
inflatable packer test string [油气] 胶囊封隔器测试管柱
support anchor straddle packer test 支撑式跨隔测试
self-test sealing packer 自验封封隔器
The two most common forms are the production or test packer and the inflatable packer.
封隔器两种最常见的形式是生产封隔器或者测试封隔器和膨胀式封隔器。
The development, lab analog test and field test of Model ZYF hydraulic hole packer are presented in the paper.
介绍了ZY F型钻孔液压封孔器的研制、实验室模拟试验及现场工业性应用试验情况。
The indoor test and field application show: Comparing with regular packer, it has such advantages as simple setting, reliable sealing, convenient fishing, smooth unfreezing.
室内试验及现场应用表明，与常规液压封隔器相比，它具有坐封容易、密封可靠、打捞方便、解卡顺利等优点。
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