Rosine罗西纳
rosinn.松香;树脂
ROSIN INDUSTRY IN BRAZIL巴西的松香工业
rosin based sizing agent松香类施胶剂
rosin size cooking kettle松香锅, 熬胶锅
rosin processing effluent松脂加工废水
rosin ethylene glycolester松香乙二醇酯
Rosin iodine tincture test罗辛碘酊试验(检靛红)
rosin modified alkyd resin[化] 松香改性醇酸树脂