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【单选题】
对185/70SR13的轮胎标示,含义错误的是( )。A.
S是车速极限标志，表示最高车速
B.
185表示轮胎断面宽度为185英寸
C.
R表示子午线轮胎
D.
70表示扁平比，扁平率为70%
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