英语词汇pneumatic tensioning device怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pneumatic tensioning device
释义	pneumatic tensioning device 简明释义气动张紧装置专业释义 1 交通运输工程气动张紧装置双语例句 1 New technology and new construction, such as hydraulic coupling, dismountable scraper chain, pneumatic discharge gate valve and screw tensioning device with multi-spring buffer are used. 它采用液力偶合器、可拆式刮板链条、气动卸料闸门以及多弹簧缓冲的螺旋张紧装置等新技术、新结构。
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