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南阳石油机械厂研制的12×8运载车（XD60／12×8），主要用于组装120t修井机和200m钻机，其气控系统可实现油门。熄火的多点控制。熄火缸与油门缸互锁，可避免干涉。设计了行车刹车、驻车刹车和下坡缓速器，可确保行车安全。双锁间与载车、绞车摘挂机构联动，实现气路同步转换。气悬挂气控系统保证气悬桥承载恒定。百叶窗的开闭由手动开关和水温开关（自动）共同控制，使发动机始终工作在适当的水温范围。近40台12X8运载车的使用证明，气控系统工作良好。
The 12 × 8 carrier (XD60 / 12 × 8) developed by Nanyang Petroleum Machinery Factory is mainly used to assemble 120t workover rigs and 200m rigs, and its gas control system can realize the accelerator. Turn off the multi-point control. Extinguishing cylinder and throttle cylinder interlock, to avoid interference. Designed to drive brake, parking brake and down ramp retarder, to ensure traffic safety. Double lock room with the car, winch linked to the hanging agencies to achieve synchronous gas conversion. Air suspension air control system to ensure that the air suspension suspension is constant. Shutter shutter by the manual switch and water temperature switch (automatic) common control, the engine is always working in the appropriate water temperature range. The use of nearly 40 12X8 vehicles proved that the air control system is working well.