UF-ZB复合膜材和UF-ZA复合膜材累积透肥量明显小于脲醛膜材的累积透肥量。
The cumulate urea permeations of the UF-ZB and UF-ZA composite membranes are much smaller than that of the UF resin membranes.
UF-ZB复合膜材和UF-ZA复合膜材累积透肥量明显小于脲醛膜材的累积透肥量。
The cumulate urea permeations of the UF-ZB and UF-ZA composite membranes are much smaller than that of the UF resin membranes.
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