针对调度绞车在现场使用中存在跳绳、绳的问题，提出了调度绞车液压排绳装置的设计研究。

The paper deals with the design of hydraulic rope-aligning device of dispatching winch used for mine transportation.

youdao

这样做他交叉了绳子（既不是在副绳上也不是在主跳绳上）。

I strongly believe that Dan did miscalculate on his last jump. For some reason he moved his jump site. In doing so he crossed the ropes (either on the retrieval line or on the main jump line).

youdao

这样做他交叉了绳子（既不是在副绳上也不是在主跳绳上）。

I strongly believe that Dan did miscalculate on his last jump. For some reason he moved his jump site. In doing so he crossed the ropes (either on the retrieval line or on the main jump line).

youdao