液压传动是借助于液体的动能来传递能量或动力。
参考答案：错
霍尔元件常用材料有哪些？为什么不用金属做霍尔元件材料？
You may _____ studying English, but in the long run, you’ll be glad that you did.
A．get interested in
B．make use of
C．get used to
D．get tired of
