Resilient tree bark must pass through the process of being soaked, steamed, bleached, machine pounded and fibre separated before it is made into pulp.

 
  • 强韧的树皮要先经浸泡、蒸煮、漂洗和机器捶捣及分解纤维等步骤才能制成纸浆。
今日热词
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