FER造句 31. Recovery of fine coal is an indespensary link of hydro- mining process. The treatment systems currently used suf- fer from the drawbacks of being complicated, and high in initial and operating costs.英文造句all-pervasiveshipyardunaccountablyscarilyforay intogoggle-eyedsacagaweaoilclothoutgrowngolden retrieversanitation departmentcommensalperfusesanderleeward sidehittercosigncomparative literaturemoscowgastrointestinal tractglomerulusstrike a blowchemical warfareglossitisferromagnetsto start the ball rollingsong and dancesample surveyunimpaired