Ref. Freon piping to be done air-tightness test.

冷藏氟利昂管系真空试验。

To improve the waterproof wall and air tightness.

有利于提高墙体的防水和气密性。

Deck flushing piping system to be done air-tightness test.

甲板冲洗管系密性试验。

On all cylinders ammonia inventory for air tightness test.

对所有库存钢瓶氨气进行气密性测试。

Painting RM. Fire fighting pipe to be done air-tightness test.

油漆间消防管系密性试验。

Presents the management methods of air tightness and vacuum degree.

介绍了机组气密性管理和真空度管理的方法.

Special connections ensure that the system excellent air tightness.

特别的连接方式保证了系统优良的气密性.

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

辅锅炉（废气锅炉）装船后气密试验。

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

辅锅炉 ( 废气锅炉 ) 装船后气密试验.

Excellent air-tightness, dustproof, high stability, easy to clean, according with GMP requirement.

密封性强，不积尘，高稳定性，易清洗，符合GMP要求。