河北工业大学能环专业英语复习资料.docVIP

单词翻译 （1）热平衡：thermal equilibrium （2）流体：fluid （3）焓:enthalpy （4）浮力:buoyancy （5）排气: exhaust （6）内燃机:internal combustion engine （7）四冲程:four stroke （8）冷却液:coolant （9）火花塞:spark plug （10）上止点:top dead center （1）熵：entrop （2）流体力学：fluid mechanism （3）下止点: bottom-dead-center （5）进气冲程: intake sroke （6）气缸:cylinder （7）连杆:connecting rod （8）润滑油:lubrication oil （9）排气阀:exhaust valve （10）气环: conpression ring （1）功率：power （2）润滑：lubrication （9）水平对置发动机：horizaontal opposed engine （3）CNG:compression natural gas （10）摩擦: friction （4）VVT: variable valve timing （5）机油泵: oil pomp （12）DI: diesel ignition (14) 点燃：ignite 语句翻译 （11）四冲程发动机凸轮轴的旋转速度是曲轴的一半。 The camshaft of a four-stroke cycle engine turns at one-half engine speed. （12）若一个热力系统和外界只有热量和功的交换而无物质交换就称为闭口系统。 2. If a system has no material, but only heat and energy, exchange with its surroundings , it’s a close system. （13）不同材料的导热系数不同，即使是同一种材料，导热系数还与温度有关。 The different material has different thermal conductivit，though the same material ,thermal conductivity also depends on temperature of the material （14）在19世纪出现了两种流体力学研究学派，一个学派注重理论，另一个学派注重应用。 In the nineteenth century ，two schools of though arose in the treatment of fluid mechanics， one dealing with the theoretical and the other with practical aspects of fluid flow。 （15）发动机运行时，电脑从各种传感器接受信号，并根据这些信号估算发动机的燃料喷射量，从而可以调节喷油器喷射脉冲宽度 The computer receives signals from all kinds of sensors when the eingine is running .Accordiongto these signals, the computer evaluates engine fuel needs and adjust the injector pulse width. （11）对流换热可以按照流动的特性分为强制对流换热和自然对流换热。 According to the natural of the flow convection heat transfer may be categorized as forced convection and free(or natural ) convection. （12）在柴油机中燃烧是通过将液体柴油喷入高温空气中引发的，可获得比汽油机高的效率。 In the diesel engine combustion is initiated by injecting a liquid fuel into air with high temperatue ,which permitted higher efficiency than gasoline engines. （13）发动机可以根据工作循环、所用燃料、冷却系统、气缸布置、着火方式和应用情况等的不同有多种分类方法。 Internal combustion engine can be class