The existing problem in operation of siphonal sand filter and innovation were introduced.
介绍了虹吸式砂滤器
运行过程中出现的问题及改造措
。
The existing problem in operation of siphonal sand filter and innovation were introduced.
介绍了虹吸式砂滤器运行过程中出现的问题及改造措。
Develops the thermosiphon heat recovery equipment based on the operating principle of the thermosiphon.
究热虹吸管工作机理的基础
,开
设计出热虹吸管能量回收装置。
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