超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
超单元组合—超单元—单元划分
divition of “super unit combine—super unit—unit
并行数据采集单元
Parallel analog digital unit PADU
单元集成法
element integration method
凝结水集水箱
condensate collection tank
智能采集单元
intelligent data collecting unit