带阻尼孔的负重选型非对称的斜盘式柱塞液压泵如果反转,将会()。
A.发生困油现象
B.电机过载
C.产生噪音和振动
D.A+B+C
参考答案:C
选出正确的单词填空。
1.A: Look! There are a lot of black ______ (clouds/cloud) in the sky.
B: Yes,it may ______ (rainy/rain)soon.
2.A: What will the weather ______ (like/be like)?
B: It is______ (probably/might)sunny.
3. A: Please ______ (bring/take)the umbrella with you.
B: No, I'm ______ (sure/think) it won't rain today.
4. A: ______ (How/What) about your trip?
B: Oh,it's very______ (happy/pleasant).
5. A: ______ (Was/Is) it cold yesterday?
B: No, it quite______ (warm/cold).
08-32捣固车深度传感器实质就是将拨叉的运动距离转换成与之成()关系的直流输出电压。
A、线性
B、抛物线
C、曲线
D、无关联