Check all fluid levels and seal tightness after the engine test run.

To ensure the air tightness and test the performance of devices.

一方面确保装置安装的气密性，另一方面测试装置的性能。

The paper analyzes the leakage and risks of throbbing pipe and points out that the present method of water tightness test is not suitable for the throbbing pipe construction in the soft-soil and high-water-level area, putting forward ways to solve the problem.

本文对顶管施工后的渗漏及其危害性进行分析，指出了当前普遍采用的闭水试验验收方法不适合高水位软土地区顶管施工，提出了相应解决办法。

Based on the simulation of vacuum tightness test in various operation conditions of condenser, the affection of vacuum tightness test in various operation conditions of condenser on stress of cooling tube is analyzed.

通过对凝汽器在不同运行参数条件下汽轮机真空系统严密性试验的仿真，分析了凝汽器在不同运行条件下，真空系统严密性试验对凝汽器冷却管热应力的影响。

After the tightness test, a functional test of each scrubber shall be carried out in accordance with written test procedures approved by the employer.

气密性试验完成后，还应根据业主批准的书面测试程序，对洗涤器进行功能测试。

Tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.

紧力测试对热交换器的管程与壳程，检查法兰垫圈是否紧密。

In recent years part of domestic oil and gas fields proposed the requirements on gas tightness test for individual high-pressure shaftmouth device.

近年来我国部分油气田因开采情况的变化，相继对各高压上井装置提出了进行气密封试验的要求。

A series of gas tightness test was examined for the gas tightness ensurance of the test bed.

之后进行了一系列的气体密封性实验，以考察实验台的密封性能。

A Torque and Tightness Test Rig for Vacuum Assistor Cover

真空助力器壳体扭矩与密封性试验台

Inquiry about the Tightness Test of Large Turbogenerator

对大型汽轮发电机严密性试验的探讨

At present, the appraising index is the rate of vacuum down obtained from vacuum tightness test.

目前，评价汽轮机真空系统严密性的指标是真空系统严密性试验得到的真空下降速度。

Air tightness test for auxiliary boiler ( economize boiler) on board.

辅锅炉（废气锅炉）装船后气密试验。

Dry air tightness test methods mainly include direct pressuredrop method and internal pressure differential method.

干式气密性检测方法主要有直接压降法和内压压差法。

Analyzing the Affection of Vacuum Tightness Test on Thermal Economy of Steam Turbine

真空系统严密性试验对汽轮机热经济性的影响分析

Research on the correcting method to the results of vacuum system tightness test of steam turbine

汽轮机真空系统严密性试验结果的修正方法研究

Theoretic Time Curve Calculation in Pipeline Gas Tightness Test

燃气管道气密性试验打压时间曲线的理论计算

Research on Obtaining More Information by Vacuum Tightness Test of Steam Turbine

利用汽轮机真空系统严密性试验获取更多信息的研究

By means of analyzing the solubility and solubility rate of gas in water, and making application of double-film theory and Fick's law, the solubility rate of nitrogen in water is theoretically calculated in gas tightness test.

通过对气体在水中溶解度和溶解速率的分析，应用气体溶解速率的双膜理论和气体扩散的菲克定律，从理论上计算出气密性试验中的氮气在水中的溶解速率。

Since long, because the tightness of money, the financing channel is unitary, China forestry development has received certain restriction.

长期以来，由于资金不足、融资渠道单一，中国林业发展受到了一定制约。

Adopting software component technology, such as CORBA, COM/ DCOM, could improve the performance and quality. But some problems also exist, such as tightly-coupled, hardly-integrated and local-computing.

采用软件构件技术（如CORBA、COM／DCOM）虽然提高了效率和质量，但是它们还存在紧密耦合、系统集成困难、局部计算等一些问题。

This means that the rare case in which two classes are tightly-coupled across package boundaries has to be split across files, leading the unwary to not recognize the tight coupling between the two.

这意味着两个跨包进行紧密耦合的类一定要在跨文件时分离，这会致使两者间的紧密耦合很容易被忽略。