4-stroke 四冲程
4-stroke engine 四冲程发动机
4 stroke engine 四冲程发动机
4 stroke motorcycle 四冲程摩托车
4-stroke motorcycle 四冲程摩托车
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
4-stroke marine diesel engine 船用四冲程柴油机
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。
The elderly, who have become withdrawn due to stroke or age-related dementia, 4 often respond positively to the unconditional affection that dogs offer.
由于中风或老年痴呆症而导致生活行为退化的老年人，对于狗提供的无条件的情感常常能作出积极的回应。
An engine model is established for the 4-cylinder 4-stroke gasoline engine.
针对四缸四冲程汽油发动机，建立发动机数学模型。
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