1.[c][usupl]齿孔a small hole in a surface, often one of a series of small holes
Tear the sheet of stamps along the perforations.沿齿孔把邮票撕开。
2.[u]穿孔;穿通the process of splitting or tearing in such a way that a hole is left
Excessive pressure can lead to perforation of the stomach wall.过大的压力会导致胃壁穿孔。
Perforation of the uterus by an intrauterine contraceptive device (IUCD) is not a rare complication with this means of birth control.
自从子宫内避孕器装置被用于妇女避孕用途之后,引起子宫壁穿孔的病例并非太少。
Conventional material such as calcium hydroxide, amalgam have been used for repairing this perforation.
传统的修补材料有氢氧化钙、银汞合金等,直接用于穿孔的充填。
The perforation, which misinterpreted as eyes, actually is a gap between the body of a bird and its talon.
被看作是眼睛的穿孔,其实是鸟的身体与爪之间的空隙。
The clearly printed instructions and effective perforation make it easy to remove the front panel for shelf display.
印刷的明确指示和有效的穿孔可以很容易地删除前面板的货架展示。
In the case of small leakage or small size perforation of gathering pipeline, field patching approach is often adopted in doing rush repair.
当集输管道泄漏或穿孔尺寸比较小时,往往采用现场补焊的方法进行抢修。
with respect to continuous stationery, it is often four line spaces below the perforation line.
对于多页文书来说,通常在穿孔页缝以下空四行的位置。
If accompanied by tympanic membrane perforation, can also be found mucopurulent secretions out of the ear, the children with hearing loss.
如果伴有鼓膜穿孔,还可见粘液脓性分泌物流出耳外,患儿听力减退。
At surgery, there was no intestinal perforation or gangrene. The aneurysm was replaced with a synthetic prosthesis.
开刀中发现肠子完整并无穿孔或坏疽,动脉瘤以人工血管来取代。
Foam cementing is commonly used for cementing in a shale gas well, while perforation after casing set is often for well completion.
页岩气固井主要采用泡沫水泥固井技术,完井方式以套管固井后射孔完井为主。
Ingested foreign bodies also have been found to be the cause of perforation of the wall of the intestine.
吞下异物也曾被发现是小肠壁穿孔的原因。
"Allergic purpura misdiagnosed as acute appendicitis, perforation of the analysis" a text, is one of my early medical works.
《过敏性紫癜误诊为急性阑尾炎穿孔的分析》一文,是我的早期医学作品之一。
Esophageal perforation can be a catastrophic event for a patient regardless of the etiology of the perforation.
食道穿孔是一个灾难性事件的病人,不论其病因的穿孔。
Among the 6 cases, 5 cases were misdiagnosed, all the incarcerated intestines were necrosis, intestinal perforation took place in 2 cases.
6例中术前误诊5例,所有疝入肠管均已坏死,1例已发生肠穿孔。
Latrogenic perforation of the cases, the surrounding tissue basically no apparent disease, the prognosis is usually good.
医源性穿孔的病例,由于周围组织基本没有明显病变,预后一般较好。
Postoperative examination did not reveal gastric or colonic perforation, or local abscess.
剖腹检查未发现胃结肠穿孔,无局部脓肿形成。
We report an unusual case of isolated rectal perforation in an initially hemodynamically stable patient with an open book fracture.
本病例系罕见之「翻书型」骨盆骨折(骨盆骨折并不稳定性外展)伴随单独直肠穿孔;
This would be valuable as a direction for the drilling operation and the perforation program at the untapped peripheral areas.
这对外围油田未开发区块的钻井运行及射孔方案编制具有一定的指导价值。
Applied results show that the scheme is one of correct perforation-completion methods for developing such low permeable gas field.
应用效果证明该方案是对低渗透气田开发的一种正确的射孔完井方法。
Laser cut down, and multi-layer packaging will not damage their internal structure, without perforation, packaging remains sealed in nature.
激光可以精确裁切多层包装,而不会损坏其内部的结构,在没有穿孔的情况下,包装仍然保持密封的性质。
Only a few cases of colon perforation during percutaneous nephrolithotomy (PCNL) have been reported.
目前只有少数几例的文献报告关于经皮肾造廔取石术所造成的大肠穿刺伤。
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