降膜 meaning in Chinese

falling film

Design of heat pumps used in film evaporation equipment
降膜式蒸发设备中热压泵的设计
Energy saving design of falling film evaporators
降膜蒸发器的节能设计
A motificadion to the vacuum system of falling film evaporator
降膜式蒸发器真空系统的改进
Shell and tube graphite falling - film absorber
管壳式石墨降膜吸收器
Some problems in multi - stages film evaporation equipment design
多效降膜式蒸发设备设计的几个问题

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