焦炉机械主要包括(),用于出焦装煤。
A.炉门起落机械小吊车、高压水泵
B.放焦刮板机、交换机、单斗机
C.推焦车、装煤车、拦焦车、熄焦车
参考答案:C
—Visitors need to know all the travel routes to Paris, ______?
—Sure. But The trip has not arranged.
A.do they
B.need they
C.don't they
D.needn't they
Though Sundays are ______ as a day for rest, we must make good use of them.[ ]
A. set out
B. set down
C. set aside
D. set off