NJ07型列车的重大旁路(VCBS)有三个位置:“()/正常/()”。
参考答案:停放状态旁路;车门联锁旁路
Global warming ________ cause huge climatic changes and possibly a new ice age.
A.is possible to
B.may possible
C.is likely to
D.is maybe to
大体积混凝土混合物中加入膨胀剂时,主要是为了防止或减少收缩裂缝。