1.
Comparison of Streptokinase Sealing and Normal Saline Sealing for Prevention of Blockage of PICC in Leukemia Patients
尿激酶与生理盐水封管预防白血病患者PICC堵管对照研究
2.
multistring hydraulic-set packer
多管水力坐封封隔器
3.
closed aqueduct system
密封式输水管道系统
4.
hydraulic-set dual hanger
水力坐封双管悬挂器
5.
FLEXIBLE CONDUIT WITH WATER-PROOF PACKING GLAND
防水密封接头挠性管
6.
WATER-PROOF PACKING GLAND FOR CONNECTING PIPE
接管式防水密封接头
7.
The test tube is closed at one end with a hydraulic seal.
试管的一端为水封所封闭。
8.
The underwater grouting and plugging consolidation disposal measures on drainage pipe culverts in Dashahe Reservoir;
放水涵管水中灌浆封堵加固处理方法
9.
cement-filled inflatable casing packer
注入水泥的膨胀式套管封隔器
10.
Development and Application of Bridge-plug Sealing Detection String in Thermal Production Well
热采桥塞堵水验封管柱的创新与应用
11.
An Experiment Study on the Influence of the Seven-Floor PVC-U Draining Stack Pipe on Trap-Seal;
七层PVC-U排水立管压力对水封影响的试验研究
12.
MECHANICAL PROPERTY EXPERIMENT OF THERMAL HORIZONTAL WELL EXTERNAL PACKER ELEMENT MATERIAL AT HIGH TEMPERATURE
热采水平井管外封隔器封隔材料高温力学性能试验
13.
"Gaskets are also used to seal joints between other parts, such as between the oil pan, manifolds, or water pump and the Block."
密封垫也同样用于密封其它部件之间的接合处,例如,油底壳、歧管、水泵与气缸体之间的密封。
14.
In that case， special stuffing tube will be used to keep the watertightness.
那样的话，需要安装专用的密封过管来确保水密。
15.
HIGH-PRESSURE GUNITE TECHNIQUE FOR DRAINPIPES SEALING
用高喷灌浆技术围封加固压力排水管道
16.
Numerical Simulation on the Flow Field of Francis Hydraulic Turbine Runner s Sealing Clearance & the Relief Pipes;
混流式水轮机减压管和密封间隙流场数值模拟
17.
Closed-type Management & Vehicle Auto-distinguishing System at Construction Site of Shuibuya Hydro-project;
清江水布垭工区封闭管理和车辆自动识别系统
18.
Studies and Applications of Inner-String Cementing Tools with Wellhead Setting
井口坐封式内管法注水泥工具的研制与应用