under lap

Don't forget that any ends that are not smooth must lap under.

记住凡是不平整的边都要往下折叠进去.

The lap joint produces bending effect under the action of tensile load and the bending degree decreases with the increase of yield limit of base material.

搭接接头在拉伸载荷作用下会产生折弯效应，折弯程度随被钎焊母材屈服极限的增加而减小。

There is also a type of garment combining the long gown and the mandarin jacket, and they will only have the under-half part, buttoning in the under lap of the mandarin jacket.

也有马褂、长袍相连的两部形式，这种形式的长袍只有下半截，连扣在马褂的内下摆。

All the ends that are not smooth should lap under.

所有不平整的边应该叠在下面.

If your desk isn't wide or deep enough, try setting the keyboard on your lap with a small cushion under the front edge.

如果你的书桌不够长也不够宽，那么试着把键盘放在你的腿上，在前缘下面放一个小垫子。