tubing plugging device

The processes of the new technique include evaluation of agents in chemical huff and puff,determination of block-up position,and injection of various working fluids.

新化学剂吞吐技术主要包括吞吐剂筛选、堵剂封堵位置的确定和各种工作液的注入技术等。

On the exploration in the peddler's spindle fluctuating oil-covered device

搅拌机轴端浮动油封装置设计制造研讨

The Design of Rear Seal for Crankshaft Pressing Device Based on Top-down Technology;

基于自顶向下的曲轴后油封推装装置的设计

Front Oil Seal Installer 6635

前油封安装器6635

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。

Study on the Dynamic Sealing Device of Pumping Units by Injecting Colloid;

抽油井动态注胶式光杆密封装置的研制

Design of Annular Rubber Seal for the Oil-Water Well Device Under Pressure Operation

油水井带压作业装置中环形密封胶芯的设计

Analysis and Transform of Oil Seal Leaks for Generator of Thermoelectric Equipment

热电装置发电机油封泄漏原因分析与改造

Failure Analysis of Metal Sealing Device Leaking for Aeroengine Main Fuel Pump

航空发动机主泵金属封严装置漏油故障分析

sealing device [ballot box]

封箱装置〔投票箱〕

"Oil seal: or shaft seal, in machines, a device that prevents the passage of fluids along a rotating shaft."

油封,亦称轴封:机器中用以防止流体沿转轴泄漏的装置。

Causes and Treatment of Oil Leak in Axial Flow Hydroturbine Blade

轴流式水轮机转轮叶片密封装置漏油原因分析及其处理

Install new front crankshaft oil seal.

安装新的前曲轴油封。

wireline pressure setting assembly

电缆工具压力坐封装置

Transalem closure

特兰斯埃伦封闭装置

closed temperature measuring device

封闭式温度测量装置

electron gun vacuum lock

电子枪真空密封装置

Installer, Seal—C-3995-A

装置工具，密封—C-3995-A

enclosure of a liftway

升降机槽的围封装置