Device used to move automatic guns in a vertical plane. A reversing or reciprocating drive system provides motion.

喷枪在垂直面自动移动的装置，一个回动的或往复式的提供移动的装置。

youdao

Some problems on designing drive systems of reversing cold mill were discussed.

讨论了设计一套经济、高效的可逆冷轧机组电控系统应注意的几个问题。

youdao

He had to drive behind me, do some angry reversing, and then get in line behind me.

FORBES: What Corners Are You Cutting?

"We as human beings are not genetically programmed to go backwards, so reversing in general is really quite difficult when you're learning to drive, " says Kevin Delaney, head of road safety at the Institute of Advanced Motorists.

BBC: Who, what, why: How do you parallel park?