短语词组短語high arsenic complex sulphide ore 高砷多金屬硫化鑛arsenic sulphide cinder 硫化砷渣high -arsenic sulphide 高砷硫化鑛arsenic -bearing sulphide ore 含砷硫化鑛sulphide arsenic sedimentation 硫化砷渣 返回 arsenic sulphide