【纺织；造纸】化学纸浆

这个工厂成立于1853年，最初为一个锯木厂，后来迅速成长为世界上最重要的化学制浆造纸厂之一。

multi-purpose dry chemical fire extinguisher

chemical structure

severing by heat, chemical agents, laser beams

chemical aspects in the coating of paraffin wax with paraffin wax

chemical physics

coal chemical industry【化工】

Economical Efficiency Analysis for Chemical Technology

chemical atomic weight