问题
填空题
旋翼式量水表层速度式流量计,当水以一定速度流过时,叶轮产生旋转,而叶轮的旋转和水的流速成正比,叶轮的转动通过齿轮传动带动计量机构,使顶部的指针能将通过的水量()
答案
参考答案:指示出来
旋翼式量水表层速度式流量计,当水以一定速度流过时,叶轮产生旋转,而叶轮的旋转和水的流速成正比,叶轮的转动通过齿轮传动带动计量机构,使顶部的指针能将通过的水量()
参考答案:指示出来
选用方框中适当的句子完成对话。 | |
A: What's that over there? B: 1 A: Over there, on the table. B: 2 A: That's my favorite food. What about you? B: 3 A; Are you hungry now? B: 4 A:I have milk here. Do you like it? B: No, thanks. My favorite drink is tea. A: Oh, there's lots of tea. 5 B: Thanks a lot. A: You're welcome. | |
|