hydraulic and pneumatic drive

基本解释

Pneumatic, hydraulic, seals and drive control technology, industrial automation, fluid equipment, etc.
气动、液压、密封件及传动控制技术、工业自动化、流体设备专区；
The host pumps and the auxiliary pump adopts the hydraulic and pneumatic united drive, the movement is nimble and reliable.
主泵、泵采用液气联合驱动及无触点电气控制系统，运行平稳，换向灵敏可靠。
In view of taking down the hinge pin of hydraulic support, developed the pneumatic puller on the basis of usual hammer puller, pneumatic wrench and screw pair drive.
针对液压支架铰接销拆卸难的问题，在普通锤式助拔器的基础上，利用风动扳手和螺旋副传动，研制了风动助拔器。