perforations的例句大全

The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations.

慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔.

Heavy cloth drapes, after continued use, also must be inspected for perforations before they are sterilized.

传统的棉织大单, 反复使用后, 每次消毒前需仔细检查是否有破损.

The rear perforations are visible on the cut edge.

后方齿孔都是看得见,对切缘.

the perforations in a sheet of stamps

一版邮票上的齿孔

This article briefly describes a new perforating technique that will result in clean , open perforations.

本文简要地介绍了一种对产层不会造成伤害的新型射孔技术.

Tear off the form along the perforations and send it to Sales...

沿着纸孔撕下表格，寄给销售部。

Tear off the form along the perforations and send it to Sales.

沿着纸孔撕下表格，寄给销售部。

An actual test in Badi 4 well of Inner Mongolia ( production casing: 177. 8mm × 255. 09m, perforations: 146. 0~ 158. 0m) proves applicability of the system.

经在内蒙古巴地4井测试（油层套管177.8min×255.09m；射孔井段146.0～158.0m），证明其可行性。

Perforations at vamp, sides and tongue.

在鞋面，两侧和舌头穿孔。