气动机械手气压传动系统: pneumatic transmission system of pneumatic manipulators
摇摆: sway; swing; rock; vacillate; [力学] wab(b)le; tottering; sidesway; vibes; vibration; dodder 短语和例子摇摆不定 chop and change; vacillate; irresolute; swing from side to side; move to and fro; 摇摆不定的