液压随动系统是一种放大机构，也是一种自动调节系统。

Hydraulic automatic system is a kind of enlarge mechanism, it is also an auto-regulator system.

youdao

液压随动系统是一种放大机构，也是一种自动调节系统。

Hydraulic automatic system is a kind of enlarge mechanism, it is also an auto-regulator system.

youdao