轮机英语（二三管轮）Lesson 6 Lubricating System.ppt

Unit1MainPropulsionPlantLesson6LubricatingSystem6.1MainengineLOcirculatingsystem6.2Mainenginecylinderoilsystem6.3LOstorage,transfer,andpurificationsystemNewWordsandExpressionscomplexity[k?m?pleks?ti]n.复杂，复杂性grade[ɡre?d]n.等级；级别geared[ɡ??d]a.齿轮传动的，变速螺旋桨的auxiliary[??ɡ?z?li?ri]a.辅助的；（发动机、设备等）备用的miscellaneous[?m?s??le?ni?s]a.各种各样的；多方面的trunkpiston筒式活塞cylinderlubrication气缸润滑doublebottom双层底NewWordsandExpressionsbellmouth喇叭口，锥形口wetsump湿式油底壳list[l?st]n.横倾trim[tr?m]n.纵倾sloshing[slɑ?]n.晃动，晃荡precaution[pr??k???n]n.预防，预防措施turbocharger[?t??b??t?ɑ?d??(r)]n.涡轮增压器emergency[??m??d??nsi]a.紧急的NewWordsandExpressionsspin[sp?n]v.旋转contamination[k?n?t?m??ne??n]n.污染；污染物inevitable[?n?ev?t?bl]a.必然的，不可避免的straightmineraloil纯矿油corrosion[k??r???n]n.腐蚀oxidation[??ks??de??n]n.[化学]氧化inhibitor[?n?h?b?t?(r)]n.抑制剂，抗化剂alkalineadditive碱性添加剂NewWordsandExpressionstotalbasenumber（TBN）总碱值sulfurcontent含硫量，硫分；硫含量compensate[?k?mpense?t]v.补偿；抵消vaporize[?ve?p?ra?z]v.蒸发；使…蒸发ignite[?ɡ?na?t]v.点燃；使燃烧thermostatically[?θ??rm??st?t?kli]a.恒温地；自动调节温度地three-waythermostaticallycontrolledvalve温控三通阀short-circuiting短路效应NewWordsandExpressionsredeem[r??di?m]v.恢复reclamation[?rekl??me??n]n.再利用analogous[??n?l?ɡ?s]a.类似的NewWordsandExpressionsdeaerate[di?ret]v.使除去空气；从液体中除去气泡atmospheric[??tm?s?fer?k]a.大气的，大气层的boosterpump增压泵，升压泵injectionpump喷射泵，注射泵combustion[k?m?b?st??n]n.燃烧atomization[,?t??ma?ze???n]n.雾化Thecomplexityofmotor-shiplubricatingoil(LO)systemsistheresultofthenumberofdifferentgradesofoilrequired.Ageared,mediumspeeddieselplantwillusuallyrequiredifferentgradesofoilforthemainandauxiliaryengines,andothergradesforgearingandmiscellaneoususes.ALOsystemforalowspeeddieselplantwillbeequallycomplex.Involvingatleasttwo