求翻译：　　当车辆速度降下来以后，可以再辅以踩制动控制车速。有经验的司机表示，在有冰的路面上行车，靠减挡来减速是主要的，踩制动减速只是辅助。是什么意思？

When the vehicle speed down later, can be supplemented by the foot brake to control the speed. Experienced drivers that there is ice on the road driving, depend on downshifts to slow down the main, only an auxiliary brake deceleration.

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　　After when the vehicles speed descends fall, may auxiliary step on the brake control vehicle speed again.The experienced driver indicated, in has in the ice road surface the driving, depends on reduces keeps off decelerates is main, steps on the brake to decelerate only is assists.

　　When the vehicle speed down later, can be supplemented by a step on the brake control speed. Experienced driver, driving on the ice road, reduction gear speed reducer is a major, stepping on the brake deceleration is only secondary.

　　When the vehicle speed down later, can be supplemented by a step on the brake control speed. Experienced driver, driving on the ice road, reduction gear speed reducer is a major, stepping on the brake deceleration is only secondary.