查询词典 perforating

The mathematical model of the perforating velocity is presented.

根据所建的数学模型对一实验进行了预测，并作了实验论证。

In the core areas of marking, cutting, welding, micro-structuring and perforating, we are one of the leading manufacturers worldwide.

在核心领域中的标记，切割，焊接，微结构和穿，我们是其中的领导厂商之一。

So it is important for us to analyse and calculate the force conditionof the complex-perforation in perforating process and to evaluate its security.

因此，对复合射孔器在射孔过程中的受力情况进行分析和计算，进而进行安全评定，是目前要研究的重要课题。

The method applied shows its simplification and reliable results. It also has great significance to improve perforating operations.

该方法使用简单，结果可靠，为现场工作人员选择合理射孔负压差提供了理论依据，有较好的指导意义。

The understanding of the distribution, supplying territory, and clinical manifestation of important perforating arteries is paramount importance.

对穿支血管的走行、分布、供应范围的深入理解及术中有效保护和正确处理穿通支血管对手术的效果起着重要作用，根据动脉瘤位置和穿支血管分布的不同，采取不同的手术方式。

This paper reported that clinical observation of 20 casesof vitrectomy in perforating ocular injuries of war wound.

本文报告了玻璃体切除术治疗战伤性眼球穿通伤20例的临床观察。

Objective To summer up the experience of diagnosis and surgical treatment for acute perforating peptic ulcer so as to improve the relevant level.

目的 总结急性消化性溃疡穿孔的诊治经验，以提高对溃疡病急性穿孔的诊治水平。

Perforation, being one of completions and stimulation, is used widely. So it is very important to study the productivity model of perforating horizontal well.

而射孔作为完井和增产措施之一，广泛用于水平井，因此研究射孔水平井的产能模型是非常必要的。

The surgeon said the tack had gone through Betty's shoe and sock without perforating her skin.

手术医生说，大头钉穿过了贝蒂的鞋子和袜子，但没有刺到皮肤。

There are three styles of perforating: round hole, slot and slit.

打孔有三种款式，即是：圆孔，长孔和裂线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。