Z12V190B型柴油机是一种多缸.四冲程.风冷.带有空气中间冷却的高速.增压柴油机.
参考答案：错
1. I have two ____________. ( knife)
2. Whose ______________ are these ? ( child )
3. These photos are hers. They are not ____________. (I)
4. What about ____________ shopping? (go)
5. The little girl is ____________ on her hat now. (put)
乳化沥青属于（）。
A.防水卷材
B.防水涂料
C.嵌缝材料
D.防火材料
