短语
球窝节理
cup and ball jointing
球窝节头
[机]
ball-and-socket head
球窝关节
ball and socket joint
;
cup and ball joint
;
ball joint
;
ball-and-socket hanger
球窝万向节
self-contained cardan joint
带球窝关节的轴承
ball and socket bearing
-
socket and ball joint
-
socket section
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