1、[计] [五金]锁环
... file locking 文件上锁 locking ring 锁环；扣环；锁紧圈 locking bolt 锁紧螺栓；防松螺栓 ...
2、扣环
... file locking 文件上锁 locking ring 锁环；扣环；锁紧圈 locking bolt 锁紧螺栓；防松螺栓 ...
3、锁紧圈
... file locking 文件上锁 locking ring 锁环；扣环；锁紧圈 locking bolt 锁紧螺栓；防松螺栓 ...
4、锁紧环
所气密性地密封，杆支座46 通过锁紧环(locking ring)44 被保持在通孔中。杆支座46 的
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