pneumatic and hydraulic device
pneumatic and hydraulic device
气动及液压装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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