()可改变坐标磨床随动油缸的测量,调整主轴系统往复传动的速度。
A.调速阀
B.节流阀
C.减压阀
参考答案:A
-What do you usually do in the afternoon, Mrs. Smith?
- My afternoon ______ includes doing some shopping and walking my dogs. [ ]
A. appointment
B. action
C. routine
D. performance
将图像存储为JPEG格式时,【品质】参数可以设置从0~12之间的数值,当数值设置越大,图像在压缩时()。
A、压缩倍率越大,图像损失越大
B、压缩倍率越小,图像损失越小
C、压缩倍率越大,图像损失越小
D、压缩倍率越小,图像损失越大