通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。

The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.

youdao

通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。

The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.

youdao