1. differential contact mass transfer equipment 
   微分接触传质设备
2. stagewise contact mass transfer equipment 
   分级接触传质设备
3. A mass of fine droplets of water in the atmosphere near or in contact with the earth. 
   细雨接近地球或地球表面大气里悬浮的微粒状水滴团
4. The council is in daily contact with the mass media on all matters of consumer interests, holding regular press briefings, maintaining consumer columns in newspapers and appearing on television and radio programmes. 
   消委会与传媒保持紧密联系，经常举行记者招待会，在各报章设专栏，并在电视台及电台播出专题节目。
5. The council is practically in daily contact with the mass media on all matters of consumer interest, with its regular press interviews and briefings, consumer columns in newspapers and appearances on television and radio programmes. 
   消委会与传媒保持紧密联系，经常举行新闻发布会，安排访问，通过报章、电视及电台广为发放保障消费者的信息。

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