The structure, working principle of a new type of drawing air-hydraulic cushion have been introduced.
介绍一种新型拉伸气液垫的结构、工作原理。
2
It adopts German technology of air-hydraulic boosting driving system, freely change between two stroke or three stroke for high efficiency and energy saving.
采用德国技术设计的气液增力主驱动系统，可进行二行程与三行程自由切换，节能高效。
3
Core drill machines can be powered by electric hydraulic or air power sources.