.轮机英语（轮机长大管轮）Lesson 26 Sewage Treatment Plant.ppt

Lesson26SewageTreatmentPlantNewWordsandExpressionssewage[?su:?d?]n.生活污水，（下水道里的）污物，污水regular[?regj?l?(r)]adj.有规律的,规则，整齐的interval[??nt?vl]n.间隔,区间performance[p??f?:m?ns]n.表现;执行maintenance[?me?nt?n?ns]n.保养,保管;维护;维修procedure[pr??si:d??(r)]n.程序，工序，过程aerobic[e?ro?b?k]adj.需氧的，有氧的bacteria[b?k?t??ri?]n.细菌NewWordsandExpressionsoverboard[???v?b?:d]adv.船外舷外transparent[tr?ns?p?r?nt]adj.透明的;清澈的tube[tju:b]n.管，管状物disinfect[?d?s?n?fekt]vt.除去（感染），给…消毒suspend[s??spend]v.挂;悬chlorine[?kl?:ri:n]n.氯aeration[e?re??n]n.通风;换气chlorination[?kl?:r?ne??n]n.氯化NewWordsandExpressionstoxic[?t?ks?k]adj.有毒的;中毒的mask[mɑ:sk]n.面具;假面具dock[d?k]n.码头,船坞crack[kr?k]vt.破裂，打开;（使…）开裂blister[?bl?st?(r)]vi.（使表皮等）涨破，爆裂incubate[???kjube?t]vt.孵化;培育suffocation[?s?f?ke??n]n.窒息scrub[skr?b]vi.用力擦洗，刷洗steward[?stju:?d]n.船员，管家，乘务员Anymachineontheshiprequiresaproperproceduretobefollowedforstartingandstoppingit.Failuretofollowthisstep-by-stepprocedurewillleadtoeitherfailureinstartingorstoppingthemachineorleadtosomefault.Sewagetreatmentplantisonesuchequipmentontheshipwhichrequiresastep-by-stepproceduretobefollowedforstartingandstoppingit.StartingofaSewagePlantSewageplantisgenerallyrunningallthetimeduringsailing,butitmightneedtobestartedwhentheshipisinstalledwithanewsewagetreatplantwhichneedstobestoppedatregularintervaloftimeforimprovingitsperformanceandmaintenanceprocedures.Belowarethepointsthatneedtobefollowedforstartingasewagetreatmentplant.1.?Makesureifanymaintenanceiscarriedoutonthesewagetreatmentsystem,alltheopeningshavebeenclosedproperlybeforestarting.2.?Thesewageplantisbefilledwithfreshwaterinsidethechamber.StartingofaSewagePlant3.?Atthisstage,therearenoaerobicbacteriainsidethechamber,butthesewagehasstartedcoming