He pulls up in what was once a 1955 Ford station wagon (" I put it together from pieces "), grabs his tools, and fixes the problem-at no charge.

他组装了他1955年的福特旅行车(“我把那些零碎的组合了起来”)，握着他的工具，分文不收的将问题解决。

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The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiation room and other bad environment.

采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。

youdao

The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiation room and other bad environment.

采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。

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