?8389.Select the valve used in a hydraulic system that directs pressurized fluid to one end of an actuating cylin- der and simultaneously directs return fluid to the reservoir from the other end.
发布于 2021-02-18 22:09:10
【单选题】
A ?Sequence.
B ?Shuttle.
C ?Selector.
查看更多
- 体验AI问答！更聪明、超智能！
- 一款基于GPT的超级AI助手，可以对话、创作、写文案！
