The artillery system is mounted on a 6x6 wheeled chassis with a forward engine 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.

最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。

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The engine roared, and the vehicle leapt forward.

引擎轰鸣，车子猛地向前驶去。

《柯林斯英汉双解大词典》

The power from the engine pushes the car forward from the back wheels instead of pulling it forward with the front wheels.

VOA: special.2009.04.10

In the case of the Splendor, the heat generated by the fire damaged two engine control switchboards directly above and melted electrical cabling, causing a total loss of electrical power on board and the failure of the forward engine room.

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Five minutes later, the driver of the first train finally succeeded in re-starting his engine and began to inch forward.

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