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

冷藏氟利昂管系真空试验。

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

甲板冲洗管系密性试验。

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

油漆间消防管系密性试验。

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

甲板冲洗管系密性试验.

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

油漆间消防管系密性试验.

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

冷藏氟利昂管系密性试验和真空试验.

Superstructure compressed air ( water supply 、 fire fighting 、 smoke detection ) piping to be done air - tightness test.

上层建筑压缩空气管系 ( 供水管、消防管、烟雾探测管 ) 密性试验.

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。

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.

Next, play all the notes again but very softly, are they still very even?The basic requirement is that the mid octave should at least give a uniform feel of air-tightness.

接下来，用非常柔和的气吹过所有的音，他们仍然非常平均吗?最基本的要求是，至少中音部的音域要有一致的气密度。