WTO与中国造纸业
WTO And China Paper Making Industries
草浆造纸废水
Wastewater of wheat straw pulping
草浆造纸中段废水
straw pulp gray water
washing and bleaching effluent of straw pulp
草类制浆造纸
straw pulp and paper mill
草制浆造纸
Straw pulp paper making process
straw pulp papermaking
长网单缸造纸机
Fourdrinier yankee machine
长网多缸造纸机
multi-cylinder long mesh paper machine
大型造纸机
large scale paper machine
单丝底网针刺造纸毯
mono-filament net needling paper felt
低碳造纸工业
Low-carbon Paper Industry
低碳造纸化学品
low-carbon paper chemicals