本实用新型是一种防止小儿蹬被子床单，其特征在于床单(1)、屏障单(2)、保安带(3)是相关联的构件。
The utility model relates to a bed sheet preventing child from treading a quilt, characterized in that a bed sheet (1), a screen sheet (2) and a safety belt (3) are associated components.
老板们对来客更小心；大部分麻将馆都装了带窥视孔的外门，有的有闭路保安摄像机，赌客们说。
Bosses have been more careful about whom they let in; most parlors have outer doors with peepholes, and some have closed-circuit security cameras, gamblers say.
大部分麻将馆都装了带窥视孔的外门，有的有闭路保安摄像机，赌客们说。
Most parlors have outer doors with peepholes, and some have closed-circuit security cameras, gamblers say.
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