双卡瓦大内孔单管封隔器
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双卡瓦双管封隔器
double grip dual packer
可收回型水力坐封双管封隔器
RDH packer
双管封隔器
dual packer
水力式双管封隔器
hydrostatic dual packer
封隔器卡瓦
packer slip
轨道式卡瓦封隔器
track-slip type packer
卡瓦封隔器
anchor packer
高压单管封隔器的设计
The Design of Single Tube High-pressure Packer
水力式单管封隔器
hydrostatic single-string packer
跨式双封隔器地层测试
straddle-packer test
跨式双封隔器中的一个封隔器
straddle packer
裸眼跨式双封隔器测试管柱
open hole straddle packer test string
双封隔器
twin packer
双封隔器选择性地层测试
straddle test
双封隔器中途测试
sp-dst
双管双管板换热器
double tube double tube-plate heat exchanger
双卡瓦可回收式套管封隔器
double grip retrievable casing packer
单卡瓦可收回式套管封隔器
single grip retrievable casing packer
卡瓦卡瓦
Kawakawa
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MASS VOLUMEtreatment in accordance with seasonal conditionsAREA SEARCHING神经病学防火学槟榔膏medical clinical treatmentinvigorating qi for relieving desertionDamage Related to Coal Mining