But consider: There is the problem of controlling the car, getting a feel for its weight, the sensitivity of the wheel, the brake, accelerator, and so on.
但是想想：控制车子，感觉它的重量，方向盘，刹车，油门，等等各种各样的问题。
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The friction force in the clutch works just like the blocks in the frication section of brake, except that the spring presses on the clutch plate instead of weight pressing the block into the ground.
Brake energy LIMIT weight, the maximum takeoff weight based on the ability of the brakes to absorb a predetermined amount of energy during a rejected takeoff.