切口在隧道壁边界的外面，隧道壁是由钻机在钻透土地或岩石时挖出的。
The kerf is the outside boundary of the tunnel wall that a boring machine gouges out as it bores through the ground or rock.
结论：电学隔离肺静脉治疗AF是可行的，形成确切的连续透壁肺静脉损伤可简化消融治疗AF的径线。
Conclusion: Pulmonary veins isolation is an feasible treatment for AF. Ablation linear for the treatment of AF can be simplified if continuous and transmural lesion were produced.
梗死是透壁性的即累及心肌的全层。
The infarction is "transmural" in that it extends through the full thickness of the wall.
结论AMD的声像学特征主要是增厚球壁层间透声裂隙。
Conclusion The main ultrasonographic manifestation of AMD is the presence of interlamellar transaudient cleft in the thickened ocular wall.
现代城市中的低频噪声已越来越引起人们的重视，低频噪声能够长距离奔袭和穿墙透壁直入人耳。
Now the low frequency noise has been paid more attention in modern city. It can run with long distance and penetrate through wall into human ears.
此项研究纳入行内镜治疗的胰腺透 壁性坏死并发重症急性胰腺炎患者。
This study involved patients with severe acute pancreatitis complicated by walled-off pancreatic necrosis managed endoscopically.
接管和人孔的焊缝应为穿过容器壁的全熔透。
All welds for nozzles and manways shall be full penetration through the vessel wall.
为探索透壁通风管在青藏铁路路基中的实际作用效果而进行了青藏铁路透壁通风管路基初步试验。
In order to study the roadbed cooling effect of the perforated ventilation pipes, a comparative experiment has been conducted with both ordinary and perforated ventilation pipes.
垂直于轴线的裂纹是因为淬火快速冷却时。厚壁处未淬透以及截面尺寸突变产生的弧形裂纹。
Crack perpendicular to the axis is caused on too rapid quench cooling, non-hardenability of the thick-walled department, as well as mutation of cross-section size. This is a typical arc-shaped crack.
垂直于轴线的裂纹是因为淬火快速冷却时。厚壁处未淬透以及截面尺寸突变产生的弧形裂纹。
Crack perpendicular to the axis is caused on too rapid quench cooling, non-hardenability of the thick-walled department, as well as mutation of cross-section size. This is a typical arc-shaped crack.
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