Txawm hais tias ob qho tib si "V" thiab "H" ntawm cov log tsheb sawv cev rau kev ntsuas nrawm, lawv qhov sib txawv tseem ceeb nyob hauv qhov siab tshaj plaws uas lawv tuaj yeem ua tau. Txawm hais tias qhov sib txawv ntawm ib tsab ntawv, qhov sib txawv ceev yog qhov tseem ceeb. "V" qhia qhov siab tshaj plaws ntawm 240 km / h, thaum "H" qhia qhov siab tshaj plaws ntawm 210 km / h.
Cov log tsheb yog qhov tseem ceeb ntawm kev nyab xeeb ntawm lub tsheb, yog li thaum hloov lawv, nws yog ib qho tseem ceeb uas yuav tau xaiv raws li lub tsheb cov qauv ceev. Dhau li ntawm "V" thiab "H," muaj lwm cov ntawv uas sawv cev rau cov log tsheb ceev.
1: Kev ntsuas ceev "P": siab tshaj plaws ntawm 150 km / h;
2: Kev ntsuas ceev "Q": siab tshaj plaws ntawm 160 km / h;
3: Kev ntsuas ceev "R": siab tshaj plaws ntawm 170 km / h;
4: Kev ntsuas ceev "S": siab tshaj plaws ntawm 180 km / h;
5: Kev ntsuas ceev "T": siab tshaj plaws ntawm 190 km / h;
6: Kev ntsuas ceev "U": siab tshaj plaws ntawm 200 km / h;
7: Kev ntsuas ceev "H": siab tshaj plaws ntawm 210 km / h;
8: Kev ntsuas ceev "V": siab tshaj plaws ntawm 240 km / h;
9: Kev ntsuas ceev "W": siab tshaj plaws ntawm 270 km / h;
10: Kev ntsuas ceev "Y": siab tshaj plaws ntawm 300 km / h;
11: Kev ntsuas ceev "ZR": siab tshaj plaws ceev tshaj 300 km / h.
Feem ntau, tus lej siab dua ntawm lub log tsheb, qhov siab dua nws tuaj yeem tiv taus. Kev ntsuas ceev xws li "ZR" feem ntau yog siv rau hauv tsheb kis las lossis tsheb ua haujlwm siab.
