The drawbacks are acacia's low drainage rate and low initial wet web strength, which are bottlenecks to the high paper machine speed especially at the web forming.
需要改进的地方是：它的滤水速率和湿纸幅强度较低，这些将是现代高速纸机湿部的瓶颈所在。
The drawbacks are acacia's low drainage rate and low initial wet web strength, which are bottlenecks to the high paper machine speed especially at the web forming.
需要改进的地方是：它的滤水速率和湿纸幅强度较低，这些将是现代高速纸机湿部的瓶颈所在。
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