heavy duty engine 重负载发动机
heavy-duty engine oil 重型发动机油
heavy-duty diesel engine 重载工作柴油发动机 ; 重型柴油机
Heavy-duty CNG engine 重型CNG发动机
Heavy duty gasoline engine 重型汽油机
heavy duty diesel engine oil 重负荷柴油机油
military heavy duty diesel engine 军用大功率柴油机
heavy duty DI diesel engine 重型直喷柴油机
heavy-duty diesel truck engine 重载工作柴油汽车发动机
heavy duty vehicle diesel engine 重型车用柴油机
Rings for automotive engine usually have butt joints, but in some heavy-duty engines, the joints may be angled, lapped, or of the sealed type.
汽车发动机上的活塞环通常是有接口的。但在一些重型发动机上，活塞环的接口可以是斜角接口，搭接式或密封式的。
It's the most advanced heavy-duty engine oil yet developed by Shell and provides high protection even at the low-viscosity levels required for optimal fuel economy.
这是最先进的重型发动机油尚未开发的壳牌公司，并提供高度保护，甚至在低粘度所需的水平最佳的燃油经济性。
With the numerical simulation of heavy-duty diesel engine to strengthen performance, a CAD assembly model of cylinder head bolt is built based on the thread.
结合大功率柴油机性能强化的数值计算，在考虑螺纹的基础上建立了气缸盖螺栓的CAD装配体模型；
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