“rotating joint”可以造什么句，rotating joint造句
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The swinging rotating joint consists of spherical body, thread joint sleeve, locking screw nut, large copper washer and two spherical rings.
The problems with the wing and the rotating joint could delay future missions.
They inspected a jammed rotating joint that has restricted the use of a set of solar wings for months, and finally succeeded in hanging some scientific experiments to the European lab, Columbus.
