利乐线与康美线相同点是()
A.8台车
B.全是纸箱车
C.9台车
D.运行线路相同
参考答案:C
"We can’t go out in this weather," said Bob, ________ out of the window.
A.looking
B.to look
C.looked
D.having looked
为保证LGE可换孔板节流装置输出的差压可靠,引压管不应超过()
A、8CM
B、24CM
C、32CM
D、16CM