1.
packer-crossover assembly
封隔器与转换工具总成
2.
THE STRUCTURAL ANALYSIS OF THREAD LOCKED HEAT EXCHANGERS AND DIAPHRAGM HEAT EXCHANGERS
螺纹锁紧环换热器与隔膜密封换热器的结构分析
3.
Design and Implementation of Metadata Integration and Transformation Tool in Data Warehouse;
数据仓库元数据集成与转换工具的设计与实现
4.
The dynamically balanced rotor assembly,sealed bearings with grease reserviors.
动平衡的转子总成，具有蓄油装置的全密封轴承。
5.
Method Research on the Progressive Generation and Transformation of the Mould and Die BOM;
模具BOM的递进生成与转换方法研究
6.
The Research and Design of DeviceNet-Modbus Fieldbus Protocol Converter of Circuit Breaker;
断路器DeviceNet-Modbus现场总线协议转换器的研究与设计
7.
The Design of a Step-up DC-DC Converter with an Internal Output Isolation Switch;
一种带集成隔离开关的DC-DC升压转换器芯片设计
8.
Software Developed for Simulating Working Behavior of Packer System
封隔器系统工作行为仿真软件的开发
9.
Research and Design of Protocol Converter Base on RS232/485 and CAN Bus;
RS232/485与CAN总线协议转换器的研究与设计
10.
wireline packer setting
电缆操作封隔器坐封
11.
multistring hydraulic-set packer
多管水力坐封封隔器
12.
packer setting control line
封隔器坐封液压控制管
13.
hookwall compression-set packer
井壁式压缩座封封隔器
14.
hydro-set permanent packer
永久式水力坐封封隔器
15.
Seal and Anchor Performance Test Installment Research of Packer
封隔器的密封与锚定性能测试装置研究
16.
DataTurbo:pluggable tool for data exchange and integration
DataTurbo:一种插件化数据交换与集成工具
17.
packperf completion system
注水膨胀式封隔器与射孔完井系统
18.
Researches and Applications of Oil/Water Expandable Packers
遇油遇水自膨胀封隔器的研究与应用