发布时间:2025-01-21 00:45:57
1、将开水倒入保温杯中,紧瓶塞和杯盖,过2-3分钟后用手触摸保温杯身表面,如果杯身有明显的温热现象,说明产品已经失去真空度,不能达到良好的保温效果。
2、往保温杯中加之水后,同用旋紧瓶塞和杯盖,把保温杯平放在桌面,如果没有水渗漏,且保温杯杯盖与杯口的旋合灵活没有间隙,说明这样的保温杯是比较好的。
我是合租的我的房间门没有锁我要出去时候怎么弄能让门打不开他们进不来呢
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2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57 2025-01-21 00:45:57