对局线调度专用网用户的电话号码编号时，后三位CDE为调度局向号。
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With time going by, the customs of the Cold Food Feast were gradually integrated into the Qingming Festival.
.暗装的敷设方式中，管道一般敷设在地下室顶棚下或吊顶内，或在管道井、管槽、管道设备层和公共楼层内隐蔽敷设。
高速列车头部的长细比要求小于2，从而达到减小阻力的目的。
In feudal China men and women had no freedom in marriage.
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