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Tonio Liuzzi : "This morning I was quite happy with the balance of the car, particularly over long runs. Then in the afternoon, we worked on tyre comparisons and this session did not work out quite as well, because we had a problem with the hydraulic system, which unbalanced the car and the power steering and the throttle were not working properly. So from the mid-point of the session our work was not so productive. We will have to work on this tonight as up until this problem, everything had been going well."

Tonio Liuzzi Chassis: STR2-03 First Practice Session: 1:30.612, 16th, 21 laps Second Practice Session: 1:30.702, 18th, 24 laps

hydraulic system液压系统问题啊

throttle节流孔