敞车的车型代码是()。
A.C
B.P
C.N
D.G
参考答案:A
_____ less than ten years, it develops from a seed _____ a full-grown tree.[ ]
A. In; into
B. For; into
C. At; to
燃气表的铭牌主要标清以下内容:最大最大工作压力流量、()、计量等级。