The upper terminal body has an upper part with a liquid crystal display and a base, such that the upper part and the base are connected to each other via lock mechanism.
上部终端体具备带有液晶显示屏的上部部分和基座，以便上部部分和基座可以通过锁定机构互相连接。
A limit latch is placed inside the upper part of the lock body, and a hanger column corresponding to the limit latch is placed on one side of the rotary disc of the rotary claw.
在所述的锁体上部内设有限位挂钩，在转动卡爪的转盘一侧设有与限位挂钩 对应的挂柱；
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