There are many piping systems in the engine room, such as fuel oil system, cooling system, lubricating system, fire-fighting system. How do you identify them?
机舱中有许多管系，像燃油系统，冷却系统，滑油系统，消防系统，怎样识别它们？
There are many piping systems in the engine room such as fuel oil system, cooling system, lubricating system, fire system, fighting system. How do you identify them?
机舱中有许多管件，像燃油系列，冷却系列，滑油系列，消防系列，怎样识别它们？
With CD40 lubricating oil as work medium, under the engine cooling system work conditions, 21 geometrical schemes of stainless steel offset strip fins were studied.
采用CD 40柴油机油为工作介质，在发动机冷却系统实际工况下，对21种几何尺寸的错列锯齿型不锈钢翅片进行了研究。
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