1.
Cold Processing Technology of High-Specification Pure Titanium (Gr.2) Cross-Rolled Boring Tube
高标准纯钛(Gr.2)斜轧穿孔管的冷加工技术
2.
The Contrast of Simple Expanded-muffler with Large Porosity Perforated Muffler
简单扩张式消声器与穿孔管消声器对比研究
3.
Producing Mechanism of Flow Noise Generation from Perforated Duct Muffler Element
穿孔管消声单元气流再生噪声产生机理
4.
fire rated penetration
防火洞孔防火构件上用来穿过管子
5.
Detection and Analysis of the Piercing Mill of Φ100 Pipe Rolling Block
Φ100轧管机组穿孔机检测与分析
6.
THE INSTALLATION OF CONE-SHAPED PUNCH FOR WSP250 HOT-ROLLED
WSP250热轧钢管工程锥形穿孔机的安装
7.
Investigation on Noise Elimination Nozzle with Micro-Perforated Panel in Pulse Detonation Engine
脉冲爆震发动机微穿孔消声喷管研究
8.
No inadvertent respiratory placement of feeding tubes or perforation of the GI tract occurred.
无呼吸道内置管或消化道穿孔等并发症。
9.
Methods: Retrospective analysis was made in 28 cases of the esophageal perforation hospitalized from 1980 to 2005 in our hospital.
方法：回顾分析1980~2005年我院收治的食管穿孔28例。
10.
Objective: To study the diagnosis and surgical treatment of esophageal perforation.
目的：探讨食管穿孔的诊断与外科治疗方法。
11.
THE BORE INJECTION PILE AND ITS CONSOLIDATION ON UNDERWATER PIPELINE
钻孔灌注桩在水下穿越管道加固中的应用
12.
2 All welds for nozzles and manways shall be full penetration through the vessel wall.
接管和人孔的焊缝应为穿过容器壁的全熔透。
13.
The Type and Evolution of Vessel Element Perforation Plate of Vaccinium uliginosum;
笃斯越桔根导管分子穿孔板的类型及演化
14.
Evaluation of Detecting Root Perforations by Three Electronic Apex Locators In Vitro
三种根测仪定位根管侧穿孔准确性的比较研究
15.
The nursing of a patient with the esophageal perforation due to microendoscopic for treatment of atlas-axis dislocation
显微内镜下治疗颈椎脱位并发食管穿孔的护理
16.
The Analysis on Cause of Perforations and Leaks of In-use Industrial Pressure Piping
在用工业压力管道穿孔泄露原因的分析
17.
Analysis on Driven System of the Mandrel Thrust Block of Piercing Mill
无缝钢管穿孔机组顶杆小车传动装置浅析
18.
Study on emergency therapeutic principle and treatment of esophageal perforation
食管穿孔急诊处理原则及治疗方式的探讨