Tuō / guà / shè / bèi / ān / zhuāng / wán / chéng / hòu / sī / jī / xiān / jìn / xíng / le / ān / quán / jiǎn / chá。

拖挂设备安装完成后，司机先进行了安全检查。

After the towing equipment was installed, the driver first carried out a safety check.