Ball joint housing made of zinc base alloy.
球头座由锌基合金制成。
Please quote us your lowest price for Ball Joint.
请对对贵公司的球头给我们最低价格。
Failure may happen in ball joint which suffers high temperature and stress.
球铰的温度高，热应力大，容易发生失效。
It's much harder, they say, to dislocate a screw than a round-ball-and-socket joint.
这种螺纹状的关节与球状关节相比，更难发生脱臼的情况。
The normal hip is a tightly joined "ball and socket" joint (Figure 1).
正常的髋关节是一个紧密参加“球窝”联合(图1)。
Ball and socket joint at shoulder allows movement in 3 planes.
球窝关节—在肩膊容许三平面的运动。
Ball and socket joint at shoulder allows movement in 3 planes.
球窝关节—在肩膊容许三平面的运动。
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