She reaches in, digs her hand deep into the ball, and pulls out a slip of paper.
她把手伸进去,手臂深深插入球中,抽出一张纸条。
Turn and slip indicator ball stuck in center during turns.
转弯及侧滑指示器的小球卡在中间了。
The structure of the guiding ball type limited slip differential is introduced. The principle of differential motion and slip limitation are dictated.
介绍了导球式限滑差速器的结构,论述了其差速运动及限制滑动的原理。
应用推荐