Results show that the acoustic system of micro perforation plate can effectively reduce discharge noise.

1、

The relationships among perforation diameter , density, phase and casing strength are clarified.

明确了射孔直径、度及相位等与套管强度的关系.

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2、

It is known that ear drum perforation resulting from burns resists closure.

摘要我们都知道,经过烧烫伤而穿孔的鼓膜,不易愈合.

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3、

Major complications for intestinal bleeding, intestinal perforation.

主要并发症为肠出血、肠穿孔.

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4、

Results Success rate of operation reached 100 percents, no uterus perforation or other complications happened.

结果118例困难宫腔手术,成功率100%, 未出现子宫穿孔及其它并发症.

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5、

The experimental results indicate that the ultimate load decreases with increase of perforation size.

根据不同开孔尺寸试件的试验结果可知,开孔构件的极限承载力随着开孔高度、宽度的增大而下降.

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6、

A perforation, as in a punched card or paper tape.

在穿孔卡片或纸带上穿孔的一种动作.

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7、

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。

《柯林斯高阶英汉双解学习词典》

8、

Methods A total of 76 patients with ulcer perforation underwent laparoscopic repair peptic ulcer perforation.

方法采用腹腔镜下缝合修补溃疡穿孔76例.

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9、

the perforations in a sheet of stamps

一版邮票上的齿孔

朗文当代高级英语词典第6版

10、

The result shows that the directional perforation formslong and flat fractures easier than the spiral perforation.

研究结果对疏松砂岩储层压裂充填防砂设计具有较大的指导意义.

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11、

Excessive pressure can lead to perforation of the stomach wall.

过大的压力会导致胃壁穿孔。

《牛津高阶英汉双解词典》

12、

Complications with operative hysteroscopy include absorption of fluid, infection, bleeding, and uterine perforation.

手术宫腔镜的合并症包括液体吸收, 感染, 出血和子宫穿孔.

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13、

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.

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14、

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。

《柯林斯高阶英汉双解学习词典》

15、

The rear perforations are visible on the cut edge.

后方齿孔都是看得见,对切缘.

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16、

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.

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17、

The idea that can develop continuously should perforative cooperate at area from beginning to end.

可持续发展的思想应贯穿于区域合作的始终.

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18、

Anling from northwest to southeast perforative whole town . Belong to.

小兴安岭自西北向东南贯穿全市.

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19、

Perforation effect is seriously affected by the clearance between perforator and casing.

射孔枪与套管之间的间隙过大会影响射孔效果,太小容易出现工程事故.

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20、

Objective : To introduce the anatomical study and clinical experience of lateral retromalleolar perforator flap.

目的: 介绍外踝后穿支皮瓣的血管解剖基础与初步临床应用经验.

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