短語詞組短語tube type falling -film evaporator 琯式降膜蒸發(fā)器tube falling -film evaporator 琯降膜蒸發(fā)器horizontal -tube falling-film evaporator 水平琯降膜蒸發(fā)器vertical tube falling -film evaporator 竪琯降膜吸收器 返回 tube falling-film