cardboard

• 硬纸板

  hardboard

• 厚纸板

  thick paperboard

• 多层纸板

  multi-layer paperboard

• 硬化纸板

  vulcanized board

• 抗酸纸板

  acid-resistant board

• 纸板制品

  paperboard products

• 纸板工人

  cardboard workers

• 纸板压制机

  cardboard-pressing machine