对于斜盘式轴向柱塞泵，改变斜盘倾角γ的大小，就能改变柱塞的行程长度，但不能改变了泵的排量。
参考答案：错
You can ________ the way the dog walks that the dog has been injured. [ ]
A. tell of
B. tell by
C. tell about
D. tell apart
夏天搅打奶油，要在搅拌器下用冰水冷却。
