And whatever you do, do not ring the bell hanging behind the counter---this is used by the landlord to signal closing time.
在不该干的事当中还绝对不要摇晃挂在吧台后面的铃，那是酒吧老板用的，表示关门门时间到了。
The control signal of opening or closing door must be passive contact.
开关门控制信号必须是无源触点！
And whatever you do, do not ring the bell hanging behind the counter---this is used by the landlord to signal closing time.
该干事当中绝对要摇晃挂台后面铃，酒老板用，表示关门时间到。
And whatever you do, do not ring the bell hanging behind the counter---this is used by the landlord to signal closing time.
该干事当中绝对要摇晃挂台后面铃，酒老板用，表示关门时间到。
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