查询词典 unperforated

The term is also used to describe unperforated sections of casing or liner.

该术语也用于描述没有被射孔的套管段或衬管段。

In order to study the effect of web openings on the behavior of composite beams under negative moment ,three perforated and one unperforated cantilever composite beams were designed and tested.

为研究腹板开洞对负弯矩区组合梁受力性能的影响，对三根腹板开洞外挑组合梁和一根对比梁进行了试验研究，考虑是否开洞、洞口大小、洞口补强等参数的影响。

An unperforated, complete septum forms at the site of nuclear division and bisects the apicall cell, followed by the cytoplasmic streaming and a new branch is initiated.

细胞具有完全、没有孔的隔板，长达数百微米，且具有一个明显的大核，随著细胞生长，原生质的川流趋向细胞顶端转移。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。