求翻译：5、油罐车高速拐弯时，一边踩离合器，一边踩刹车最不安全。无论任何情况下，踩离合器行驶会增加车辆的惯性，应该将挡位放低后再踩着刹车行驶。是什么意思？

5, tanker speed cornering, while the clutch, the brakes while the most unsafe. Whether any case, the clutch driving will increase the inertia of the vehicle, should be lowered after stepping on the brake gear drive.

5, 587,200 high-speed turning at the side, the side security clutch, brake the least secure. In any case, security clutch traveling vehicles will increase the inertia block, should be located on a low after traveling on brakes.

When 5th, oil truck high speed corner, at the same time steps on the coupling, at the same time steps on the braking not to be most unsafe.Regardless of in any situation, steps on the coupling travel to be able to increase the vehicles the inertia, after should keep off the position to put lowly is

5, truck high speed when turning, clutch, brakes the least secure. In any case, clutch increases the vehicle's inertia, gear should be put down after stepping on the brakes.

5, tanker speed cornering, while the clutch, the brakes while the most unsafe. Whether any case, the clutch driving will increase the inertia of the vehicle, should be lowered after stepping on the brake gear drive.