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1·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。

2·Perforations at vamp, sides and tongue.

在鞋面，两侧和舌头穿孔。

3·The rear perforations are visible on the cut edge.

后方齿孔都是看得见，对切缘。

4·Partial perforations do not run the full size of the printed piece.

部分穿孔不运行的全尺寸的印件。

5·There are limitations on the number and position of perforations allowed.

允许穿孔的数量和位置上有局限性。

6·There were seven colonic perforations in the OC group and none in the CTC group.

在OC组中有7例结肠穿孔，而在CTC组中结肠穿孔无1例出现。

7·Partial perpendicular perforations do not run the full size of the printed piece.

部分垂直穿孔不运行的全尺寸的印件。

8·The perforations have a relatively large diameter and the perforation tunnel is deep.

射孔孔眼具有相对较大的直径，而且射孔孔道很深。

9·Parallel perforations run in the same direction that the paper travels through the press.

平行穿孔运行在同一方向的文件，通过新闻传播。

10·The dangerous type chronic otitis media occurs with pars flaccid 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。

穿孔

1·The sides of the boxes are clad inblack and coffee colored metal panels textured with perforations patterned after the local Henan wild rose.

由黑色及咖啡色金属饰板构成的盒子侧面以穿孔的方式构成一种河南本地的花卉——月季花的纹理。

2·The eddy current signals from thin flaws and perforations are merged by noises and difficult to be distinguished.

但微小裂缝、穿孔引起的涡流检测信号很微弱，容易被各种噪声湮没，分辨起来较困难。

3·Objective To study the effect of epidermal growth factor (EGF) on promoting the healing of tympanic membrane (TM) perforations and whether it affects the inner ear function.

目的研究表皮生长因子促进鼓膜穿孔的愈合作用及对内耳功能是否有影响。

4·Leather upper with decorative perforations at the sides and around the heel.

皮革鞋面在脚跟两侧及周围的装饰穿孔。

5·Corrosive perforations of underground pipelines in part of long-distance pipeline stations have already made large threat to safety production operation of pipeline.

部分长输管道工艺站场埋地管线的腐蚀穿孔，已对管道的安全生产运行构成较大威胁。

(1)perforation plate穿孔板；匀浆板