短语词组短语high arsenic complex sulphide ore 高砷多金属硫化矿arsenic sulphide cinder 硫化砷渣high -arsenic sulphide 高砷硫化矿arsenic -bearing sulphide ore 含砷硫化矿sulphide arsenic sedimentation 硫化砷渣 返回 arsenic sulphide