他的耳朵听出发动机预热时发出的声音是正常的。
发动机预热后，被污染的发动机可因堆积的灰尘起火而造成火灾。
A polluted engine may cause fire as the deposited dirt ignites after the engine has warmed up.
有时，发动机冷态时，气门也会粘住； 发动机预热后，气门工作就正常了。
Sometimes valves will stick when cold But will work free as the engine warms up.
这将让液体开始流动，通过发动机预热，然后在正常行驶条件下高效率的温度。
This will allow fluids to begin flowing through the engine and then warm up to efficient temperatures under normal driving conditions.
介绍柴油发动机预热系统的电路控制方式，阐述了手动预热方式的不足和自动预热器的优异性能。
The circuit control methods of pre heating system on diesel engine are introduced and the shortage of manual pre heating methods and the advantages of automatic pre heater are expounded in this paper.
首先你必须让发动机转起来预热。
解决办法：在气温较低时，应使用粘稠度低一点的机油。还有就是每台发动机都配有预热装置，打火之前应多预热几次。
The solution: you should use lower viscosity of the oil when the temperatuer. And every engine shoule be equipped with preheating device, should preheat several times before ignion.
很多热量从燃烧室散发出来，直接进入废弃排气系统，一部分热量进入了发动机去预热发动机。
A lot of the heat from this combustion goes right out the exhaust system, but some of it soaks into the engine, heating it up.
这是因为，合理的预热能够协助机油在发动机部件与部件之间构成“油膜”，然后削减发动机部件磨损。
This is because a proper warm-up can assist the oil to form an oil film between the engine parts and components, and then reduce the wear of engine parts.
不管是什么，如果它非常重要，你应该看着这个工具盒，以及将要工作运行的发动机，没有预热的发动机不会好好工作。
Whatever it is, if it's really important, you owe it to yourself to look at this toolbox and the engine that it's going to work on, and no engine works well without being warmed up.
现在大多数都是采用给发动机安装预热塞的方法来缩短启动时间的。
Now, most of them are used to shorten the starting time of the engine with the method of installing the preheating plug.
装在内燃发动机内的小电热器，用以预热气缸内的空气以利发动，尤用于柴油发动机。
A small electric heating element in an internal-combustion engine that facilitates starting by preheating the air in a cylinder and is used especially in diesel engines.
节温器的主要任务是使发动机迅速预热，然后使发动机保持一个恒定的温度。
The thermostat's main job is to allow the engine to heat up quickly, and then to keep the engine at a constant temperature.
发动机处于冷态时，预热空气装置能迅速提供热的空气进入化油器。
The heated-air system provides rapid heating of the air entering the carburetor when the engine is cold.
且当外部燃油系统供给的柴油达到要求的温度及压力时，预热发动机就可以被启动。
A preheated engine can be started directly on HFO provided that the external fuel system has the correct temperature and pressure.
因此冷却系统还有一个重要任务，就是让发动机迅速预热，然后，就让发动机保持恒定的温度。
So another important job of the cooling system is to allow the engine to heat up as quickly as possible, and then to keep the engine at a constant temperature.
在高空模拟实验器上，利用已有的航空发动机预燃室点火器，研究了燃油预热增温对高空低压点火性能的影响。
The effect of advanced fuel temperature on the high altitude ignition performance in the prechamber taken from an existent aero-engine at simulated high altitude facility was studied.
将车辆停放在平坦和水平路面上，然后起动发动机以预热机油。
Park automobile on the flat and level road, and then start engine to preheat engine oil.
分析了进气预热强度对发动机性能的影响，并提出了进气预热强度的评价指标。
The effect of preheating intensity on engine performance has analysed, and the parameters for evaluating preheating intensity are suggested as well.
发动机配件类：齿轮室、气门室罩盖、链轮室罩盖、预热器座、水泵泵盖、进气歧管、泵箱；
Engine fittings series:Gear chamber, Cavaera cover, Sprocket rooms cover, Preheaterbase, Water pump Cover, Intake manifold, Pump box.
基于GD—1电控柴油机控制系统，针对发动机冷起动中的预热格栅装置，制定了相应的控制策略。
For the preheating grid device of cold start, the corresponding control strategy based on the control system of the GD-1 electronically controlled diesel engine was made.
不需启动发动机即可对冬季低温寒冷环境中停放的汽车发动机和驾驶室进行预热升温。
No need to start the engine cold winter cold environments parked car engine and cab preheating temperature.
机组装有进气预热器，可选装燃油加热器和冷却液加热器等冷启动装置，解决机组在低温、高海拔地区的发动机起动难问题。
With cold starting devices, such as inlet pre-heater, optional fuel heater and coolant heater, the unit has solved the difficult starting problem under low temperature and high altitude areas.
机组装有进气预热器，可选装燃油加热器和冷却液加热器等冷启动装置，解决机组在低温、高海拔地区的发动机起动难问题。
With cold starting devices, such as inlet pre-heater, optional fuel heater and coolant heater, the unit has solved the difficult starting problem under low temperature and high altitude areas.
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