Spacers have all kinds of trouble, Doc.
太空人会遇上各种各样的麻烦，博士。
Spacers on the rod end mountings provide a way of circumventing this problem.
架垫片的杆端提供了一个绕过这个问题的办法。
They can also replace some spring spacers, pin lockers and other mechanical fasteners.
可替代弹簧垫，开口销等机械锁固方式。
They can also replace some spring spacers, pin lockers and other mechanical fasteners.
可替代弹簧垫，开口销等机械锁固方式。
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