The cartons are well protected against moisture by polythene sheet lining.

纸箱内衬聚乙烯袋防潮效果很了。

youdao

The cartons are well protected against moisture by polythene sheet lining.

这些纸盒内有塑料衬里，防潮性能很好。

youdao

The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.

本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。

youdao

There's a cluster of cells here, there's a sheet of cells that forms an outer lining, and what is most noticeable is this cavity, this fluid filled cavity which begins to develop.

有一簇细胞,一层细胞构成了外形轮廓,最明显的结构就是这个空腔,这一充满液体的空腔开始发育形成

耶鲁公开课 - 生物医学工程探索课程节选