【纺织；造纸】炭化碎布以还原复动物纤维【纺织；造纸】将碎布炭化以恢复动物纤维

high-temperature carbonising

carbonising according to the moving bedtype

beehive oven carbonising

carbonising

combined direct and indirect heating for carbonising

shaft furnace carbonising

carbonising to recover animal fibres

carbonising in ovens with endless conveying devices