求翻译：　　在有冰的路面上行车要学会用减挡的方法来控制车速，让发动机来制动。尽量不要踩制动，必要时可以用手制动来控制车速。因此冬季行车切记不要高速，而且必须与前车保持一定的距离，否则高速行驶时难以让车辆在短时间内减速。是什么意思？

There is ice on the road driving way to learn to use lower gear to control speed, so that the engine to brake. Try not to step on the brake, hand brake when necessary to control the speed. So remember not to high-speed winter driving, and must maintain a certain distance from the vehicle in front, o

Vehicles on the roads in the ice to learn how to use the methods to control the output speed, allowing engines to brake. As far as possible not security brake and, if necessary, you can use hand brake to control speed. That is why winter journey we must always remember not to high-speed, and it must

　　In has in the ice road surface the driving to have to learn with the method which reduces keeps off to control the vehicle speed, lets the engine apply the brake.Do not have to step on the brake as far as possible, when the necessity may use the hand brake to control the vehicle speed.Therefore th

　　Driving on the ice road to learn to use the method to control speed reduction gear, engine braking. Try not to step on the brake and, if necessary, you can use the hand brake to control speed. Winter lane Don high speed and must front keep your distance, or high-speed driving hard to let vehicles

　　Driving on the ice road to learn to use the method to control speed reduction gear, engine braking. Try not to step on the brake and, if necessary, you can use the hand brake to control speed. Winter lane Don high speed and must front keep your distance, or high-speed driving hard to let vehicles