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。
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。
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。
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