安装主要部件，如齿轮，泵，马达或液压组件。

Install major components such as gears, pumps, motors or hydraulic assemblies.

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给三抽缸泵马达安装接地线。

Install a ground cable on the triplex pump motor.

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研究军用履带车辆无级转向机构核心部件泵-马达系统转向功率的确定问题。

Problem to determine steering power of pump-motor system, the kernel in infinite steering mechanism of military crawler vehicles, is studied in the article.

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