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铁铬木质素磺酸盐
chem. ferric chromium lignin sulfonate
dril. chromium-iron lignosulfonate; ferro-chromo-lignosulfonate
oil ferrochrome lignosulfonate
oil, chem. ferro-chrome-lignosulfonate
铁铬木质素磺酸盐〔泥浆添加剂〕
earth.sc. ferro-chromo-lignosulfonate