ball arm

Drive shaft, Tie rod end assembly, Ball joint, Control arm assembly.

悬挂球头、拉杆球头、横拉杆、拉杆总成、控制臂总成等。

The screwball is the most difficult breaking ball to pitch, as it goes against the natural arm motion of the pitch.

螺旋球是最难投的变化球，因为它与胳膊在投球时的自然运动相反。

In the shot put event, the athlete propels a heavy metal ball with one arm only.

在铅球运动中, 运动员只能用一只手投掷一个很重的金属球.

He jacks up shots with a Kevin Martin-like hitch, with a low release point and an arm swing that brings the ball across his body before it leaves his hand.

他会像凯文-马丁一样把球推出去。他的出手点很低，并且在出手之前会用胳膊拉球从身前划过。

Sits on theand Ball & Joint Arm and serves as the base the Lens Holder.

可安装在可调节手柄,并作为透镜支架地基.

Then, combining a flexible arm measuring machine and a standard ball with space round fitting algorithm, the presented model parameters are calibrated. Also, based on principle of cross ratio invariance, a fast calibration approach is presented. 4.

使用柔性臂测量机结合空间球拟合、空间圆拟合算法对检测系统测量模型参数进行标定，同时提出了一种基于空间几何交比不变性原理的检测系统测量模型参数快速求解方法。

When tossing the ball to serve, you want the arm to swing up straight from the shoulder and remain in that position until you begin to uncoil.

发球初始抛球时，你应该想着让抛球臂直直地以肩为肘向上抛起并保持向上的状态直到你身体开始向前回转。

His left arm was shattered into matches by a cannon ball.

他的左臂被一炮弹击碎.