The artillery system is mounted on a 6x6 wheeled chassis with a forwardengine and an armour-protected driving cab.
火炮系统被安装在6x6轮式底盘上采用前置发动机和装甲保护驾驶室。
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The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.