4-stroke engine 四冲程发动机
4-stroke ic engine 四冲程内燃机
4 stroke gasoline engine 四冲程汽油机
4-stroke gasoline engine 四冲程汽油机
Modeling of 4-stroke diesel engine 四冲程柴油机建模
4-stroke marine diesel engine 船用四冲程柴油机
Even when Saab finally decided to go with a four-stroke engine in 1967, it kept things weird by using a V-4.
就算萨博在1967年最终决定使用四冲程发动机，它还是把发动机搞成个V4，萨博总能把事情搞的古怪好玩。
An engine model was established for the 4 cylinder 4 stroke gasoline engine. And the fuel MAP of the mode engine was obtained by scaling experiment.
针对四缸四冲程汽油发动机，建立了合理的发动机数学模型，并对模型发动机进行仿真标定实验，获得喷油MAP图。
Making use of the new structures combination, a connecting rod preform for a 4-stroke automobile engine was successfully braided.
使用它们的不同组合，成功的编出了带有一大孔、一小孔的的四冲程汽车发动机连接杆预制件。
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