seal in a pit

Glass connection, tubing constant pressure connection, single constant connection and tubing blanking plug are main tubing internal seal tool.

玻璃接头、油管定压接头、油管单向定压接头和油管堵塞器是目前各油气田使用较普遍的油管内密封工具。

Replacement inside the Tunnel and Failure Analysis of Sealing of TBM Main Bearing

TBM主轴承内密封洞内更换及失效分析

Intunnel vestoration and airproof fault diagnosis in TBM main bearing

TBM主轴承内密封故障诊断与洞内修复

one not needing an inner tube to be airtight.

缺乏内胎的密封的轮胎。

The Study of Dynamic Seal Structure and Seal Force of Principal Axis with Inside Spray Fluid

内喷流体的动密封主轴结构和密封力研究

Lay the ingredients by level in the closed glass bottles.

每层材料按层次满玻璃瓶内封密。

The goods are packed in airtight container.

货物被装在密封的集装箱内。

However, intranets are hardly airtight applications.

然而，内特网不完全是密封的应用。

Research on Soft Measurement of Internal Temperature and Relative Humidity in Sealed Packages;

密封包装箱内温湿度软测量系统研究

Development and application of HP dry gas seal in China

高压干气密封的开发及在国内的应用

Numerical analysis on flow field in mechanical seal with porous seal ring face

多孔端面机械密封内流场的数值分析

In-the-hole Repair Technique for Main Shaft Lip Seal on TBM

TBM主轴承唇形密封洞内修复技术

Influence of inlet preswirl on discharge and heat transfer characteristics of honeycomb and smooth labyrinth seals

预旋对蜂窝密封和迷宫密封内流动传热特性影响

Signcryption Key Encapsulation in Insider Security Mode

内部攻击者安全模式下的签密密钥封装

The inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.

内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。

pressurizing window

密封封口(电缆), 气密口

weatherstripping,thresholds & seals

密封条，门槛及密封胶

The loser closely enclosed himself in the closet.

那个失败者把自己严密地封闭在小室内。

12.Writing letters that are overly familiar to people they hardly know.

12．对不熟悉的人写一封内容过分亲密的信。