轮机英语书后新题+翻译

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1、轮机英语书后新题翻译1．Whenashipinloadedconditionfloatsatarbitrarywaterline,itsdisplacementis_______totherelevantmassofwaterdisplacedbytheship.A.equalB.largerC.smallerD.equivalent答案A以任意吃水漂浮在水面上的载货船舶，它的排水量等于船体置换掉的相应质量的水。shipinloadedcondition船舶处于有负载的状况arbitrary任意的waterlin

2、e(船的)吃水线,水位displacement排水量equalto等于，与……相等relevantmass相应的质量displace取代，置换2．Thedisplacementofashipis_______tothetotalweight,alltold,oftherelevantloadedship.A.largerB.equalC.smallerD.equivalent答案B船舶的排水量等于相应装载货物船舶的总重量。totalweight总重量alltold副词，表示总计，总共，合计，用在这里强调是载货船舶

3、总共的质量。3．Whichoneisnottrue?A.Twomainareasofskillareinvolvedintheconstructionofship.B.Therearedistinctdivisionsinresponsibilitiesbetweennavalarchitectsandmarineengineers.C.Eachshipwillassumevaryingproportionsaccordingtoitstype.D.Shipscanbedividedintodifferentca

4、tegoriesfromdifferentperspectives.答案B哪句话不正确？造船工程师与轮机员在职责上处于截然不同的区域。（觉得有些问题）distinctdivisions截然不同的区域navalarchitect造船工程师，验船师marineengineer轮机员4．Whyagearboxisneededinashipdrivenbyamedium-speeddieselengine?A.ToreducethemainenginespeedB.Toincreasethemainenginespeed

5、C.TogovernthemainenginespeedD.Tofixthepropellershaft答案D为什么中速柴油机驱动的船舶需要齿轮箱？为了安装固定螺旋桨轴。（即螺旋桨轴不是直接由主机带动的，而是连接到齿轮箱的）gearbox齿轮箱fix固定，安装，修理propellershaft螺旋桨轴5．Apropeller,inordertooperateefficiently,mustrotateatarelatively______speed.A.highB.lowC.fastD.lowly答案B螺旋桨，为

6、了更有效率的工作，必须以相对较低的速度旋转。inorderto为了efficiently有效率地relatively相关的，相对的6．Inadieselengine,_______offerstheheatenergydirectly;_______worksasworkingmediumandchangestheheatenergytomechanicalenergy.A.theburningofthefuel;mediumshaftB.fuelspray;freshairC.fuel;fuelsprayD.t

7、heburningofthefuel,theburnedgasmixture答案D在柴油机里，燃油的燃烧直接提供了热能，而燃烧过的气体混合物则作为工作介质将热能转变为机械能（即推动活塞做往复运动）。workingmedium工作介质change……to……将……转变为……theburnedgasmixture燃烧过的气体混合物，即燃气7．Inadieselengine,________worksasworkingmediumandchangestheheatenergytomechanicalenergy,___

8、_____changesthereciprocatingmovementtorotarymovement.A.fuelspray;theburningofthefuelB.theburnedgasmixture;connectingrodC.mediumshaft;crankshaftD.theburnedgasmixture;pistonrod答案B在柴油机里，燃气作为