岔枕间距为()
A.500
B.550
C.600
D.650
参考答案:C
--why don’t we choose that read to save time?
--The bridge to it ________.
A.has repaired
B.is repaired
C.is being repaired
D.will be repaired
当汽车同时装备有ABS和ASR时()
A.ABS具有控制优先权
B.ASR具有控制优先权
C.ABS和ASR具有同样优先权
D.ABS与ASR控制不相关