rotation handle 旋转手柄 ; 旋转控点 ; 转动把手
Rotation Handle Umbrella 旋转手柄雨伞
rotation control handle 旋转控制手柄
Make a Scene view rotation handle.
创建一个场景视图旋转控制柄。
Drag onto the page. Drag round rotation handle to change arrow direction; yellow diamond to resize line ends.
拖到绘图页上。拖动圆形旋转手柄可更改箭头方向；拖动黄色菱形可调整线端的大小。
The plunger is helically grooved along its length and a converter translates rotation of the handle into linear motion of the plunger, thereby advancing the plunger within the tube.
所述柱塞沿其长度形成螺旋槽，并且转换器将所述手柄的旋转转化为所述柱塞的线性移动，由此使所述柱塞在所述管道内前进。
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